18330910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{103}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 36874656

約数和(自身を除く): 18543746

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 103, 130, 185, 206, 370, 481, 515, 962, 1030, 1339, 1369, 2405, 2678, 2738, 3811, 4810, 6695, 6845, 7622, 13390, 13690, 17797, 19055, 35594, 38110, 49543, 88985, 99086, 141007, 177970, 247715, 282014, 495430, 705035, 1410070, 1833091, 3666182, 9165455, 18330910]

約数ペア:

[(1, 18330910), (2, 9165455), (5, 3666182), (10, 1833091), (13, 1410070), (26, 705035), (37, 495430), (65, 282014), (74, 247715), (103, 177970), (130, 141007), (185, 99086), (206, 88985), (370, 49543), (481, 38110), (515, 35594), (962, 19055), (1030, 17797), (1339, 13690), (1369, 13390), (2405, 7622), (2678, 6845), (2738, 6695), (3811, 4810)]