18756320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10657}}^1$

素因数の和:10683

約数の個数: 48

約数和(自身を含む): 48344688

約数和(自身を除く): 29588368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10657, 21314, 42628, 53285, 85256, 106570, 117227, 170512, 213140, 234454, 341024, 426280, 468908, 586135, 852560, 937816, 1172270, 1705120, 1875632, 2344540, 3751264, 4689080, 9378160, 18756320]

約数ペア:

[(1, 18756320), (2, 9378160), (4, 4689080), (5, 3751264), (8, 2344540), (10, 1875632), (11, 1705120), (16, 1172270), (20, 937816), (22, 852560), (32, 586135), (40, 468908), (44, 426280), (55, 341024), (80, 234454), (88, 213140), (110, 170512), (160, 117227), (176, 106570), (220, 85256), (352, 53285), (440, 42628), (880, 21314), (1760, 10657)]