18874600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4967}}^1$

素因数の和:5002

約数の個数: 48

約数和(自身を含む): 46202400

約数和(自身を除く): 27327800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 4967, 9934, 19868, 24835, 39736, 49670, 94373, 99340, 124175, 188746, 198680, 248350, 377492, 471865, 496700, 754984, 943730, 993400, 1887460, 2359325, 3774920, 4718650, 9437300, 18874600]

約数ペア:

[(1, 18874600), (2, 9437300), (4, 4718650), (5, 3774920), (8, 2359325), (10, 1887460), (19, 993400), (20, 943730), (25, 754984), (38, 496700), (40, 471865), (50, 377492), (76, 248350), (95, 198680), (100, 188746), (152, 124175), (190, 99340), (200, 94373), (380, 49670), (475, 39736), (760, 24835), (950, 19868), (1900, 9934), (3800, 4967)]