1819008575

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{21419}}^1$

素因数の和:21551

約数の個数: 24

約数和(自身を含む): 2337350400

約数和(自身を除く): 518341825

約数列:

[1, 5, 25, 43, 79, 215, 395, 1075, 1975, 3397, 16985, 21419, 84925, 107095, 535475, 921017, 1692101, 4605085, 8460505, 23025425, 42302525, 72760343, 363801715, 1819008575]

約数ペア:

[(1, 1819008575), (5, 363801715), (25, 72760343), (43, 42302525), (79, 23025425), (215, 8460505), (395, 4605085), (1075, 1692101), (1975, 921017), (3397, 535475), (16985, 107095), (21419, 84925)]