19242080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2$

素因数の和:97

約数の個数: 144

約数和(自身を含む): 55311984

約数和(自身を除く): 36069904

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 29, 32, 40, 44, 52, 55, 58, 65, 80, 88, 104, 110, 116, 130, 143, 145, 160, 176, 208, 220, 232, 260, 286, 290, 319, 352, 377, 416, 440, 464, 520, 572, 580, 638, 715, 754, 841, 880, 928, 1040, 1144, 1160, 1276, 1430, 1508, 1595, 1682, 1760, 1885, 2080, 2288, 2320, 2552, 2860, 3016, 3190, 3364, 3770, 4147, 4205, 4576, 4640, 5104, 5720, 6032, 6380, 6728, 7540, 8294, 8410, 9251, 10208, 10933, 11440, 12064, 12760, 13456, 15080, 16588, 16820, 18502, 20735, 21866, 22880, 25520, 26912, 30160, 33176, 33640, 37004, 41470, 43732, 46255, 51040, 54665, 60320, 66352, 67280, 74008, 82940, 87464, 92510, 109330, 120263, 132704, 134560, 148016, 165880, 174928, 185020, 218660, 240526, 296032, 331760, 349856, 370040, 437320, 481052, 601315, 663520, 740080, 874640, 962104, 1202630, 1480160, 1749280, 1924208, 2405260, 3848416, 4810520, 9621040, 19242080]

約数ペア:

[(1, 19242080), (2, 9621040), (4, 4810520), (5, 3848416), (8, 2405260), (10, 1924208), (11, 1749280), (13, 1480160), (16, 1202630), (20, 962104), (22, 874640), (26, 740080), (29, 663520), (32, 601315), (40, 481052), (44, 437320), (52, 370040), (55, 349856), (58, 331760), (65, 296032), (80, 240526), (88, 218660), (104, 185020), (110, 174928), (116, 165880), (130, 148016), (143, 134560), (145, 132704), (160, 120263), (176, 109330), (208, 92510), (220, 87464), (232, 82940), (260, 74008), (286, 67280), (290, 66352), (319, 60320), (352, 54665), (377, 51040), (416, 46255), (440, 43732), (464, 41470), (520, 37004), (572, 33640), (580, 33176), (638, 30160), (715, 26912), (754, 25520), (841, 22880), (880, 21866), (928, 20735), (1040, 18502), (1144, 16820), (1160, 16588), (1276, 15080), (1430, 13456), (1508, 12760), (1595, 12064), (1682, 11440), (1760, 10933), (1885, 10208), (2080, 9251), (2288, 8410), (2320, 8294), (2552, 7540), (2860, 6728), (3016, 6380), (3190, 6032), (3364, 5720), (3770, 5104), (4147, 4640), (4205, 4576)]