18543940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54541}}^1$

素因数の和:54567

約数の個数: 24

約数和(自身を含む): 41233752

約数和(自身を除く): 22689812

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 54541, 109082, 218164, 272705, 545410, 927197, 1090820, 1854394, 3708788, 4635985, 9271970, 18543940]

約数ペア:

[(1, 18543940), (2, 9271970), (4, 4635985), (5, 3708788), (10, 1854394), (17, 1090820), (20, 927197), (34, 545410), (68, 272705), (85, 218164), (170, 109082), (340, 54541)]