19948578

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8819}}^1$

素因数の和:8866

約数の個数: 32

約数和(自身を含む): 44452800

約数和(自身を除く): 24504222

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 377, 754, 1131, 2262, 8819, 17638, 26457, 52914, 114647, 229294, 255751, 343941, 511502, 687882, 767253, 1534506, 3324763, 6649526, 9974289, 19948578]

約数ペア:

[(1, 19948578), (2, 9974289), (3, 6649526), (6, 3324763), (13, 1534506), (26, 767253), (29, 687882), (39, 511502), (58, 343941), (78, 255751), (87, 229294), (174, 114647), (377, 52914), (754, 26457), (1131, 17638), (2262, 8819)]