19591390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21529}}^1$

素因数の和:21556

約数の個数: 32

約数和(自身を含む): 43404480

約数和(自身を除く): 23813090

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 21529, 43058, 107645, 150703, 215290, 279877, 301406, 559754, 753515, 1399385, 1507030, 1959139, 2798770, 3918278, 9795695, 19591390]

約数ペア:

[(1, 19591390), (2, 9795695), (5, 3918278), (7, 2798770), (10, 1959139), (13, 1507030), (14, 1399385), (26, 753515), (35, 559754), (65, 301406), (70, 279877), (91, 215290), (130, 150703), (182, 107645), (455, 43058), (910, 21529)]