18618730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{479}}^1$

素因数の和:535

約数の個数: 48

約数和(自身を含む): 37946880

約数和(自身を除く): 19328150

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 169, 230, 299, 338, 479, 598, 845, 958, 1495, 1690, 2395, 2990, 3887, 4790, 6227, 7774, 11017, 12454, 19435, 22034, 31135, 38870, 55085, 62270, 80951, 110170, 143221, 161902, 286442, 404755, 716105, 809510, 1432210, 1861873, 3723746, 9309365, 18618730]

約数ペア:

[(1, 18618730), (2, 9309365), (5, 3723746), (10, 1861873), (13, 1432210), (23, 809510), (26, 716105), (46, 404755), (65, 286442), (115, 161902), (130, 143221), (169, 110170), (230, 80951), (299, 62270), (338, 55085), (479, 38870), (598, 31135), (845, 22034), (958, 19435), (1495, 12454), (1690, 11017), (2395, 7774), (2990, 6227), (3887, 4790)]