18447500

素因数分解:

$2^2\times 5^4\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:228

約数の個数: 60

約数和(自身を含む): 41461728

約数和(自身を除く): 23014228

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 125, 157, 188, 235, 250, 314, 470, 500, 625, 628, 785, 940, 1175, 1250, 1570, 2350, 2500, 3140, 3925, 4700, 5875, 7379, 7850, 11750, 14758, 15700, 19625, 23500, 29375, 29516, 36895, 39250, 58750, 73790, 78500, 98125, 117500, 147580, 184475, 196250, 368950, 392500, 737900, 922375, 1844750, 3689500, 4611875, 9223750, 18447500]

約数ペア:

[(1, 18447500), (2, 9223750), (4, 4611875), (5, 3689500), (10, 1844750), (20, 922375), (25, 737900), (47, 392500), (50, 368950), (94, 196250), (100, 184475), (125, 147580), (157, 117500), (188, 98125), (235, 78500), (250, 73790), (314, 58750), (470, 39250), (500, 36895), (625, 29516), (628, 29375), (785, 23500), (940, 19625), (1175, 15700), (1250, 14758), (1570, 11750), (2350, 7850), (2500, 7379), (3140, 5875), (3925, 4700)]