18464975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1889}}^1$

素因数の和:1939

約数の個数: 24

約数和(自身を含む): 25310880

約数和(自身を除く): 6845905

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1889, 1955, 9445, 9775, 32113, 43447, 47225, 160565, 217235, 738599, 802825, 1086175, 3692995, 18464975]

約数ペア:

[(1, 18464975), (5, 3692995), (17, 1086175), (23, 802825), (25, 738599), (85, 217235), (115, 160565), (391, 47225), (425, 43447), (575, 32113), (1889, 9775), (1955, 9445)]