19034440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 45198000

約数和(自身を除く): 26163560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 232, 244, 269, 290, 305, 488, 538, 580, 610, 1076, 1160, 1220, 1345, 1769, 2152, 2440, 2690, 3538, 5380, 7076, 7801, 8845, 10760, 14152, 15602, 16409, 17690, 31204, 32818, 35380, 39005, 62408, 65636, 70760, 78010, 82045, 131272, 156020, 164090, 312040, 328180, 475861, 656360, 951722, 1903444, 2379305, 3806888, 4758610, 9517220, 19034440]

約数ペア:

[(1, 19034440), (2, 9517220), (4, 4758610), (5, 3806888), (8, 2379305), (10, 1903444), (20, 951722), (29, 656360), (40, 475861), (58, 328180), (61, 312040), (116, 164090), (122, 156020), (145, 131272), (232, 82045), (244, 78010), (269, 70760), (290, 65636), (305, 62408), (488, 39005), (538, 35380), (580, 32818), (610, 31204), (1076, 17690), (1160, 16409), (1220, 15602), (1345, 14152), (1769, 10760), (2152, 8845), (2440, 7801), (2690, 7076), (3538, 5380)]