18930288

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1319}}^1$

素因数の和:1366

約数の個数: 80

約数和(自身を含む): 54996480

約数和(自身を除く): 36066192

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 46, 48, 52, 69, 78, 92, 104, 138, 156, 184, 208, 276, 299, 312, 368, 552, 598, 624, 897, 1104, 1196, 1319, 1794, 2392, 2638, 3588, 3957, 4784, 5276, 7176, 7914, 10552, 14352, 15828, 17147, 21104, 30337, 31656, 34294, 51441, 60674, 63312, 68588, 91011, 102882, 121348, 137176, 182022, 205764, 242696, 274352, 364044, 394381, 411528, 485392, 728088, 788762, 823056, 1183143, 1456176, 1577524, 2366286, 3155048, 4732572, 6310096, 9465144, 18930288]

約数ペア:

[(1, 18930288), (2, 9465144), (3, 6310096), (4, 4732572), (6, 3155048), (8, 2366286), (12, 1577524), (13, 1456176), (16, 1183143), (23, 823056), (24, 788762), (26, 728088), (39, 485392), (46, 411528), (48, 394381), (52, 364044), (69, 274352), (78, 242696), (92, 205764), (104, 182022), (138, 137176), (156, 121348), (184, 102882), (208, 91011), (276, 68588), (299, 63312), (312, 60674), (368, 51441), (552, 34294), (598, 31656), (624, 30337), (897, 21104), (1104, 17147), (1196, 15828), (1319, 14352), (1794, 10552), (2392, 7914), (2638, 7176), (3588, 5276), (3957, 4784)]