18996200

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4999}}^1$

素因数の和:5034

約数の個数: 48

約数和(自身を含む): 46500000

約数和(自身を除く): 27503800

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, 4999, 9998, 19996, 24995, 39992, 49990, 94981, 99980, 124975, 189962, 199960, 249950, 379924, 474905, 499900, 759848, 949810, 999800, 1899620, 2374525, 3799240, 4749050, 9498100, 18996200]

約数ペア:

[(1, 18996200), (2, 9498100), (4, 4749050), (5, 3799240), (8, 2374525), (10, 1899620), (19, 999800), (20, 949810), (25, 759848), (38, 499900), (40, 474905), (50, 379924), (76, 249950), (95, 199960), (100, 189962), (152, 124975), (190, 99980), (200, 94981), (380, 49990), (475, 39992), (760, 24995), (950, 19996), (1900, 9998), (3800, 4999)]