19703104

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{9931}}^1$

素因数の和:9974

約数の個数: 28

約数和(自身を含む): 40363648

約数和(自身を除く): 20660544

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 9931, 19862, 39724, 79448, 158896, 307861, 317792, 615722, 635584, 1231444, 2462888, 4925776, 9851552, 19703104]

約数ペア:

[(1, 19703104), (2, 9851552), (4, 4925776), (8, 2462888), (16, 1231444), (31, 635584), (32, 615722), (62, 317792), (64, 307861), (124, 158896), (248, 79448), (496, 39724), (992, 19862), (1984, 9931)]