18493848

素因数分解:

$2^3\times 3^2\times {\mathrm{397}}^1\times {\mathrm{647}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 50291280

約数和(自身を除く): 31797432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 397, 647, 794, 1191, 1294, 1588, 1941, 2382, 2588, 3176, 3573, 3882, 4764, 5176, 5823, 7146, 7764, 9528, 11646, 14292, 15528, 23292, 28584, 46584, 256859, 513718, 770577, 1027436, 1541154, 2054872, 2311731, 3082308, 4623462, 6164616, 9246924, 18493848]

約数ペア:

[(1, 18493848), (2, 9246924), (3, 6164616), (4, 4623462), (6, 3082308), (8, 2311731), (9, 2054872), (12, 1541154), (18, 1027436), (24, 770577), (36, 513718), (72, 256859), (397, 46584), (647, 28584), (794, 23292), (1191, 15528), (1294, 14292), (1588, 11646), (1941, 9528), (2382, 7764), (2588, 7146), (3176, 5823), (3573, 5176), (3882, 4764)]