17996836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 37594368

約数和(自身を除く): 19597532

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 73, 143, 146, 286, 292, 431, 572, 803, 862, 949, 1606, 1724, 1898, 3212, 3796, 4741, 5603, 9482, 10439, 11206, 18964, 20878, 22412, 31463, 41756, 61633, 62926, 123266, 125852, 246532, 346093, 409019, 692186, 818038, 1384372, 1636076, 4499209, 8998418, 17996836]

約数ペア:

[(1, 17996836), (2, 8998418), (4, 4499209), (11, 1636076), (13, 1384372), (22, 818038), (26, 692186), (44, 409019), (52, 346093), (73, 246532), (143, 125852), (146, 123266), (286, 62926), (292, 61633), (431, 41756), (572, 31463), (803, 22412), (862, 20878), (949, 18964), (1606, 11206), (1724, 10439), (1898, 9482), (3212, 5603), (3796, 4741)]