18061912

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 38112480

約数和(自身を除く): 20050568

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 121, 188, 242, 376, 397, 484, 517, 794, 968, 1034, 1588, 2068, 3176, 4136, 4367, 5687, 8734, 11374, 17468, 18659, 22748, 34936, 37318, 45496, 48037, 74636, 96074, 149272, 192148, 205249, 384296, 410498, 820996, 1641992, 2257739, 4515478, 9030956, 18061912]

約数ペア:

[(1, 18061912), (2, 9030956), (4, 4515478), (8, 2257739), (11, 1641992), (22, 820996), (44, 410498), (47, 384296), (88, 205249), (94, 192148), (121, 149272), (188, 96074), (242, 74636), (376, 48037), (397, 45496), (484, 37318), (517, 34936), (794, 22748), (968, 18659), (1034, 17468), (1588, 11374), (2068, 8734), (3176, 5687), (4136, 4367)]