19193980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73823}}^1$

素因数の和:73845

約数の個数: 24

約数和(自身を含む): 43408512

約数和(自身を除く): 24214532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 73823, 147646, 295292, 369115, 738230, 959699, 1476460, 1919398, 3838796, 4798495, 9596990, 19193980]

約数ペア:

[(1, 19193980), (2, 9596990), (4, 4798495), (5, 3838796), (10, 1919398), (13, 1476460), (20, 959699), (26, 738230), (52, 369115), (65, 295292), (130, 147646), (260, 73823)]