19147884080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{2549}}^1$

素因数の和:2839

約数の個数: 160

約数和(自身を含む): 49721817600

約数和(自身を除く): 30573933520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 233, 248, 260, 310, 403, 466, 496, 520, 620, 806, 932, 1040, 1165, 1240, 1612, 1864, 2015, 2330, 2480, 2549, 3029, 3224, 3728, 4030, 4660, 5098, 6058, 6448, 7223, 8060, 9320, 10196, 12116, 12745, 14446, 15145, 16120, 18640, 20392, 24232, 25490, 28892, 30290, 32240, 33137, 36115, 40784, 48464, 50980, 57784, 60580, 66274, 72230, 79019, 93899, 101960, 115568, 121160, 132548, 144460, 158038, 165685, 187798, 203920, 242320, 265096, 288920, 316076, 331370, 375596, 395095, 469495, 530192, 577840, 593917, 632152, 662740, 751192, 790190, 938990, 1027247, 1187834, 1264304, 1325480, 1502384, 1580380, 1877980, 2054494, 2375668, 2650960, 2969585, 3160760, 3755960, 4108988, 4751336, 5136235, 5939170, 6321520, 7511920, 7720921, 8217976, 9502672, 10272470, 11878340, 15441842, 16435952, 18411427, 20544940, 23756680, 30883684, 36822854, 38604605, 41089880, 47513360, 61767368, 73645708, 77209210, 82179760, 92057135, 123534736, 147291416, 154418420, 184114270, 239348551, 294582832, 308836840, 368228540, 478697102, 617673680, 736457080, 957394204, 1196742755, 1472914160, 1914788408, 2393485510, 3829576816, 4786971020, 9573942040, 19147884080]

約数ペア:

[(1, 19147884080), (2, 9573942040), (4, 4786971020), (5, 3829576816), (8, 2393485510), (10, 1914788408), (13, 1472914160), (16, 1196742755), (20, 957394204), (26, 736457080), (31, 617673680), (40, 478697102), (52, 368228540), (62, 308836840), (65, 294582832), (80, 239348551), (104, 184114270), (124, 154418420), (130, 147291416), (155, 123534736), (208, 92057135), (233, 82179760), (248, 77209210), (260, 73645708), (310, 61767368), (403, 47513360), (466, 41089880), (496, 38604605), (520, 36822854), (620, 30883684), (806, 23756680), (932, 20544940), (1040, 18411427), (1165, 16435952), (1240, 15441842), (1612, 11878340), (1864, 10272470), (2015, 9502672), (2330, 8217976), (2480, 7720921), (2549, 7511920), (3029, 6321520), (3224, 5939170), (3728, 5136235), (4030, 4751336), (4660, 4108988), (5098, 3755960), (6058, 3160760), (6448, 2969585), (7223, 2650960), (8060, 2375668), (9320, 2054494), (10196, 1877980), (12116, 1580380), (12745, 1502384), (14446, 1325480), (15145, 1264304), (16120, 1187834), (18640, 1027247), (20392, 938990), (24232, 790190), (25490, 751192), (28892, 662740), (30290, 632152), (32240, 593917), (33137, 577840), (36115, 530192), (40784, 469495), (48464, 395095), (50980, 375596), (57784, 331370), (60580, 316076), (66274, 288920), (72230, 265096), (79019, 242320), (93899, 203920), (101960, 187798), (115568, 165685), (121160, 158038), (132548, 144460)]