19413400

素因数分解:

$2^3\times 5^2\times {\mathrm{113}}^1\times {\mathrm{859}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 45588600

約数和(自身を除く): 26175200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 113, 200, 226, 452, 565, 859, 904, 1130, 1718, 2260, 2825, 3436, 4295, 4520, 5650, 6872, 8590, 11300, 17180, 21475, 22600, 34360, 42950, 85900, 97067, 171800, 194134, 388268, 485335, 776536, 970670, 1941340, 2426675, 3882680, 4853350, 9706700, 19413400]

約数ペア:

[(1, 19413400), (2, 9706700), (4, 4853350), (5, 3882680), (8, 2426675), (10, 1941340), (20, 970670), (25, 776536), (40, 485335), (50, 388268), (100, 194134), (113, 171800), (200, 97067), (226, 85900), (452, 42950), (565, 34360), (859, 22600), (904, 21475), (1130, 17180), (1718, 11300), (2260, 8590), (2825, 6872), (3436, 5650), (4295, 4520)]