18269600

素因数分解:

$2^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:618

約数の個数: 72

約数和(自身を含む): 45770508

約数和(自身を除く): 27500908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 160, 164, 200, 205, 328, 400, 410, 557, 656, 800, 820, 1025, 1114, 1312, 1640, 2050, 2228, 2785, 3280, 4100, 4456, 5570, 6560, 8200, 8912, 11140, 13925, 16400, 17824, 22280, 22837, 27850, 32800, 44560, 45674, 55700, 89120, 91348, 111400, 114185, 182696, 222800, 228370, 365392, 445600, 456740, 570925, 730784, 913480, 1141850, 1826960, 2283700, 3653920, 4567400, 9134800, 18269600]

約数ペア:

[(1, 18269600), (2, 9134800), (4, 4567400), (5, 3653920), (8, 2283700), (10, 1826960), (16, 1141850), (20, 913480), (25, 730784), (32, 570925), (40, 456740), (41, 445600), (50, 365392), (80, 228370), (82, 222800), (100, 182696), (160, 114185), (164, 111400), (200, 91348), (205, 89120), (328, 55700), (400, 45674), (410, 44560), (557, 32800), (656, 27850), (800, 22837), (820, 22280), (1025, 17824), (1114, 16400), (1312, 13925), (1640, 11140), (2050, 8912), (2228, 8200), (2785, 6560), (3280, 5570), (4100, 4456)]