18963400

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1789}}^1$

素因数の和:1858

約数の個数: 48

約数和(自身を含む): 44946900

約数和(自身を除く): 25983500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1325, 1789, 2120, 2650, 3578, 5300, 7156, 8945, 10600, 14312, 17890, 35780, 44725, 71560, 89450, 94817, 178900, 189634, 357800, 379268, 474085, 758536, 948170, 1896340, 2370425, 3792680, 4740850, 9481700, 18963400]

約数ペア:

[(1, 18963400), (2, 9481700), (4, 4740850), (5, 3792680), (8, 2370425), (10, 1896340), (20, 948170), (25, 758536), (40, 474085), (50, 379268), (53, 357800), (100, 189634), (106, 178900), (200, 94817), (212, 89450), (265, 71560), (424, 44725), (530, 35780), (1060, 17890), (1325, 14312), (1789, 10600), (2120, 8945), (2650, 7156), (3578, 5300)]