18513272

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{691}}^1$

素因数の和:911

約数の個数: 32

約数和(自身を含む): 36994320

約数和(自身を除く): 18481048

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 197, 394, 691, 788, 1382, 1576, 2764, 3349, 5528, 6698, 11747, 13396, 23494, 26792, 46988, 93976, 136127, 272254, 544508, 1089016, 2314159, 4628318, 9256636, 18513272]

約数ペア:

[(1, 18513272), (2, 9256636), (4, 4628318), (8, 2314159), (17, 1089016), (34, 544508), (68, 272254), (136, 136127), (197, 93976), (394, 46988), (691, 26792), (788, 23494), (1382, 13396), (1576, 11747), (2764, 6698), (3349, 5528)]