19370533

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 24820992

約数和(自身を除く): 5450459

約数列:

[1, 7, 13, 47, 49, 91, 329, 611, 637, 647, 2303, 4277, 4529, 8411, 29939, 30409, 31703, 58877, 212863, 395317, 412139, 1490041, 2767219, 19370533]

約数ペア:

[(1, 19370533), (7, 2767219), (13, 1490041), (47, 412139), (49, 395317), (91, 212863), (329, 58877), (611, 31703), (637, 30409), (647, 29939), (2303, 8411), (4277, 4529)]