18081012

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 43760192

約数和(自身を除く): 25679180

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 193, 211, 222, 386, 422, 444, 579, 633, 772, 844, 1158, 1266, 2316, 2532, 7141, 7807, 14282, 15614, 21423, 23421, 28564, 31228, 40723, 42846, 46842, 81446, 85692, 93684, 122169, 162892, 244338, 488676, 1506751, 3013502, 4520253, 6027004, 9040506, 18081012]

約数ペア:

[(1, 18081012), (2, 9040506), (3, 6027004), (4, 4520253), (6, 3013502), (12, 1506751), (37, 488676), (74, 244338), (111, 162892), (148, 122169), (193, 93684), (211, 85692), (222, 81446), (386, 46842), (422, 42846), (444, 40723), (579, 31228), (633, 28564), (772, 23421), (844, 21423), (1158, 15614), (1266, 14282), (2316, 7807), (2532, 7141)]