18630768

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:506

約数の個数: 80

約数和(自身を含む): 52670240

約数和(自身を除く): 34039472

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 73, 78, 104, 146, 156, 208, 219, 292, 312, 409, 438, 584, 624, 818, 876, 949, 1168, 1227, 1636, 1752, 1898, 2454, 2847, 3272, 3504, 3796, 4908, 5317, 5694, 6544, 7592, 9816, 10634, 11388, 15184, 15951, 19632, 21268, 22776, 29857, 31902, 42536, 45552, 59714, 63804, 85072, 89571, 119428, 127608, 179142, 238856, 255216, 358284, 388141, 477712, 716568, 776282, 1164423, 1433136, 1552564, 2328846, 3105128, 4657692, 6210256, 9315384, 18630768]

約数ペア:

[(1, 18630768), (2, 9315384), (3, 6210256), (4, 4657692), (6, 3105128), (8, 2328846), (12, 1552564), (13, 1433136), (16, 1164423), (24, 776282), (26, 716568), (39, 477712), (48, 388141), (52, 358284), (73, 255216), (78, 238856), (104, 179142), (146, 127608), (156, 119428), (208, 89571), (219, 85072), (292, 63804), (312, 59714), (409, 45552), (438, 42536), (584, 31902), (624, 29857), (818, 22776), (876, 21268), (949, 19632), (1168, 15951), (1227, 15184), (1636, 11388), (1752, 10634), (1898, 9816), (2454, 7592), (2847, 6544), (3272, 5694), (3504, 5317), (3796, 4908)]