18484260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1289}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 52012800

約数和(自身を除く): 33528540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 717, 956, 1195, 1289, 1434, 2390, 2578, 2868, 3585, 3867, 4780, 5156, 6445, 7170, 7734, 12890, 14340, 15468, 19335, 25780, 38670, 77340, 308071, 616142, 924213, 1232284, 1540355, 1848426, 3080710, 3696852, 4621065, 6161420, 9242130, 18484260]

約数ペア:

[(1, 18484260), (2, 9242130), (3, 6161420), (4, 4621065), (5, 3696852), (6, 3080710), (10, 1848426), (12, 1540355), (15, 1232284), (20, 924213), (30, 616142), (60, 308071), (239, 77340), (478, 38670), (717, 25780), (956, 19335), (1195, 15468), (1289, 14340), (1434, 12890), (2390, 7734), (2578, 7170), (2868, 6445), (3585, 5156), (3867, 4780)]