18855608

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 36363600

約数和(自身を除く): 17507992

約数列:

[1, 2, 4, 8, 73, 83, 146, 166, 292, 332, 389, 584, 664, 778, 1556, 3112, 6059, 12118, 24236, 28397, 32287, 48472, 56794, 64574, 113588, 129148, 227176, 258296, 2356951, 4713902, 9427804, 18855608]

約数ペア:

[(1, 18855608), (2, 9427804), (4, 4713902), (8, 2356951), (73, 258296), (83, 227176), (146, 129148), (166, 113588), (292, 64574), (332, 56794), (389, 48472), (584, 32287), (664, 28397), (778, 24236), (1556, 12118), (3112, 6059)]