18696580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1609}}^1$

素因数の和:1708

約数の個数: 48

約数和(自身を含む): 45440640

約数和(自身を除く): 26744060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1609, 1660, 2324, 2905, 3218, 5810, 6436, 8045, 11263, 11620, 16090, 22526, 32180, 45052, 56315, 112630, 133547, 225260, 267094, 534188, 667735, 934829, 1335470, 1869658, 2670940, 3739316, 4674145, 9348290, 18696580]

約数ペア:

[(1, 18696580), (2, 9348290), (4, 4674145), (5, 3739316), (7, 2670940), (10, 1869658), (14, 1335470), (20, 934829), (28, 667735), (35, 534188), (70, 267094), (83, 225260), (140, 133547), (166, 112630), (332, 56315), (415, 45052), (581, 32180), (830, 22526), (1162, 16090), (1609, 11620), (1660, 11263), (2324, 8045), (2905, 6436), (3218, 5810)]