18899240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27793}}^1$

素因数の和:27821

約数の個数: 32

約数和(自身を含む): 45026280

約数和(自身を除く): 26127040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 27793, 55586, 111172, 138965, 222344, 277930, 472481, 555860, 944962, 1111720, 1889924, 2362405, 3779848, 4724810, 9449620, 18899240]

約数ペア:

[(1, 18899240), (2, 9449620), (4, 4724810), (5, 3779848), (8, 2362405), (10, 1889924), (17, 1111720), (20, 944962), (34, 555860), (40, 472481), (68, 277930), (85, 222344), (136, 138965), (170, 111172), (340, 55586), (680, 27793)]