18212450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{1009}}^1$

素因数の和:1059

約数の個数: 36

約数和(自身を含む): 35787330

約数和(自身を除く): 17574880

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 361, 475, 722, 950, 1009, 1805, 2018, 3610, 5045, 9025, 10090, 18050, 19171, 25225, 38342, 50450, 95855, 191710, 364249, 479275, 728498, 958550, 1821245, 3642490, 9106225, 18212450]

約数ペア:

[(1, 18212450), (2, 9106225), (5, 3642490), (10, 1821245), (19, 958550), (25, 728498), (38, 479275), (50, 364249), (95, 191710), (190, 95855), (361, 50450), (475, 38342), (722, 25225), (950, 19171), (1009, 18050), (1805, 10090), (2018, 9025), (3610, 5045)]