17973990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4871}}^1$

素因数の和:4925

約数の個数: 48

約数和(自身を含む): 47882016

約数和(自身を除く): 29908026

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1845, 3690, 4871, 9742, 14613, 24355, 29226, 43839, 48710, 73065, 87678, 146130, 199711, 219195, 399422, 438390, 599133, 998555, 1198266, 1797399, 1997110, 2995665, 3594798, 5991330, 8986995, 17973990]

約数ペア:

[(1, 17973990), (2, 8986995), (3, 5991330), (5, 3594798), (6, 2995665), (9, 1997110), (10, 1797399), (15, 1198266), (18, 998555), (30, 599133), (41, 438390), (45, 399422), (82, 219195), (90, 199711), (123, 146130), (205, 87678), (246, 73065), (369, 48710), (410, 43839), (615, 29226), (738, 24355), (1230, 14613), (1845, 9742), (3690, 4871)]