19922665

素因数分解:

$5^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{349}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 28009800

約数和(自身を除く): 8087135

約数列:

[1, 5, 7, 35, 49, 233, 245, 349, 1165, 1631, 1745, 2443, 8155, 11417, 12215, 17101, 57085, 81317, 85505, 406585, 569219, 2846095, 3984533, 19922665]

約数ペア:

[(1, 19922665), (5, 3984533), (7, 2846095), (35, 569219), (49, 406585), (233, 85505), (245, 81317), (349, 57085), (1165, 17101), (1631, 12215), (1745, 11417), (2443, 8155)]