19875960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 192

約数和(自身を含む): 72334080

約数和(自身を除く): 52458120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 52, 60, 62, 65, 72, 78, 90, 93, 104, 117, 120, 124, 130, 137, 155, 156, 180, 186, 195, 234, 248, 260, 274, 279, 310, 312, 360, 372, 390, 403, 411, 465, 468, 520, 548, 558, 585, 620, 685, 744, 780, 806, 822, 930, 936, 1096, 1116, 1170, 1209, 1233, 1240, 1370, 1395, 1560, 1612, 1644, 1781, 1860, 2015, 2055, 2232, 2340, 2418, 2466, 2740, 2790, 3224, 3288, 3562, 3627, 3720, 4030, 4110, 4247, 4680, 4836, 4932, 5343, 5480, 5580, 6045, 6165, 7124, 7254, 8060, 8220, 8494, 8905, 9672, 9864, 10686, 11160, 12090, 12330, 12741, 14248, 14508, 16029, 16120, 16440, 16988, 17810, 18135, 21235, 21372, 24180, 24660, 25482, 26715, 29016, 32058, 33976, 35620, 36270, 38223, 42470, 42744, 48360, 49320, 50964, 53430, 55211, 63705, 64116, 71240, 72540, 76446, 80145, 84940, 101928, 106860, 110422, 127410, 128232, 145080, 152892, 160290, 165633, 169880, 191115, 213720, 220844, 254820, 276055, 305784, 320580, 331266, 382230, 441688, 496899, 509640, 552110, 641160, 662532, 764460, 828165, 993798, 1104220, 1325064, 1528920, 1656330, 1987596, 2208440, 2484495, 3312660, 3975192, 4968990, 6625320, 9937980, 19875960]

約数ペア:

[(1, 19875960), (2, 9937980), (3, 6625320), (4, 4968990), (5, 3975192), (6, 3312660), (8, 2484495), (9, 2208440), (10, 1987596), (12, 1656330), (13, 1528920), (15, 1325064), (18, 1104220), (20, 993798), (24, 828165), (26, 764460), (30, 662532), (31, 641160), (36, 552110), (39, 509640), (40, 496899), (45, 441688), (52, 382230), (60, 331266), (62, 320580), (65, 305784), (72, 276055), (78, 254820), (90, 220844), (93, 213720), (104, 191115), (117, 169880), (120, 165633), (124, 160290), (130, 152892), (137, 145080), (155, 128232), (156, 127410), (180, 110422), (186, 106860), (195, 101928), (234, 84940), (248, 80145), (260, 76446), (274, 72540), (279, 71240), (310, 64116), (312, 63705), (360, 55211), (372, 53430), (390, 50964), (403, 49320), (411, 48360), (465, 42744), (468, 42470), (520, 38223), (548, 36270), (558, 35620), (585, 33976), (620, 32058), (685, 29016), (744, 26715), (780, 25482), (806, 24660), (822, 24180), (930, 21372), (936, 21235), (1096, 18135), (1116, 17810), (1170, 16988), (1209, 16440), (1233, 16120), (1240, 16029), (1370, 14508), (1395, 14248), (1560, 12741), (1612, 12330), (1644, 12090), (1781, 11160), (1860, 10686), (2015, 9864), (2055, 9672), (2232, 8905), (2340, 8494), (2418, 8220), (2466, 8060), (2740, 7254), (2790, 7124), (3224, 6165), (3288, 6045), (3562, 5580), (3627, 5480), (3720, 5343), (4030, 4932), (4110, 4836), (4247, 4680)]