19601608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4597}}^1$

素因数の和:4657

約数の個数: 32

約数和(自身を含む): 40554360

約数和(自身を除く): 20952752

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 4597, 9194, 18388, 36776, 59761, 119522, 188477, 239044, 376954, 478088, 753908, 1507816, 2450201, 4900402, 9800804, 19601608]

約数ペア:

[(1, 19601608), (2, 9800804), (4, 4900402), (8, 2450201), (13, 1507816), (26, 753908), (41, 478088), (52, 376954), (82, 239044), (104, 188477), (164, 119522), (328, 59761), (533, 36776), (1066, 18388), (2132, 9194), (4264, 4597)]