19280050

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5431}}^1$

素因数の和:5514

約数の個数: 24

約数和(自身を含む): 36372672

約数和(自身を除く): 17092622

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 5431, 10862, 27155, 54310, 135775, 271550, 385601, 771202, 1928005, 3856010, 9640025, 19280050]

約数ペア:

[(1, 19280050), (2, 9640025), (5, 3856010), (10, 1928005), (25, 771202), (50, 385601), (71, 271550), (142, 135775), (355, 54310), (710, 27155), (1775, 10862), (3550, 5431)]