18732948

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{227}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 49424928

約数和(自身を除く): 30691980

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 227, 276, 299, 454, 529, 598, 681, 897, 908, 1058, 1196, 1362, 1587, 1794, 2116, 2724, 2951, 3174, 3588, 5221, 5902, 6348, 6877, 8853, 10442, 11804, 13754, 15663, 17706, 20631, 20884, 27508, 31326, 35412, 41262, 62652, 67873, 82524, 120083, 135746, 203619, 240166, 271492, 360249, 407238, 480332, 720498, 814476, 1440996, 1561079, 3122158, 4683237, 6244316, 9366474, 18732948]

約数ペア:

[(1, 18732948), (2, 9366474), (3, 6244316), (4, 4683237), (6, 3122158), (12, 1561079), (13, 1440996), (23, 814476), (26, 720498), (39, 480332), (46, 407238), (52, 360249), (69, 271492), (78, 240166), (92, 203619), (138, 135746), (156, 120083), (227, 82524), (276, 67873), (299, 62652), (454, 41262), (529, 35412), (598, 31326), (681, 27508), (897, 20884), (908, 20631), (1058, 17706), (1196, 15663), (1362, 13754), (1587, 11804), (1794, 10442), (2116, 8853), (2724, 6877), (2951, 6348), (3174, 5902), (3588, 5221)]