18491950

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5209}}^1$

素因数の和:5292

約数の個数: 24

約数和(自身を含む): 34886160

約数和(自身を除く): 16394210

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 5209, 10418, 26045, 52090, 130225, 260450, 369839, 739678, 1849195, 3698390, 9245975, 18491950]

約数ペア:

[(1, 18491950), (2, 9245975), (5, 3698390), (10, 1849195), (25, 739678), (50, 369839), (71, 260450), (142, 130225), (355, 52090), (710, 26045), (1775, 10418), (3550, 5209)]