18628016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1997}}^1$

素因数の和:2069

約数の個数: 40

約数和(自身を含む): 40135824

約数和(自身を除く): 21507808

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 176, 212, 424, 583, 848, 1166, 1997, 2332, 3994, 4664, 7988, 9328, 15976, 21967, 31952, 43934, 87868, 105841, 175736, 211682, 351472, 423364, 846728, 1164251, 1693456, 2328502, 4657004, 9314008, 18628016]

約数ペア:

[(1, 18628016), (2, 9314008), (4, 4657004), (8, 2328502), (11, 1693456), (16, 1164251), (22, 846728), (44, 423364), (53, 351472), (88, 211682), (106, 175736), (176, 105841), (212, 87868), (424, 43934), (583, 31952), (848, 21967), (1166, 15976), (1997, 9328), (2332, 7988), (3994, 4664)]