19321835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 26492928

約数和(自身を除く): 7171093

約数列:

[1, 5, 13, 31, 43, 65, 155, 215, 223, 403, 559, 1115, 1333, 2015, 2795, 2899, 6665, 6913, 9589, 14495, 17329, 34565, 47945, 86645, 89869, 124657, 297259, 449345, 623285, 1486295, 3864367, 19321835]

約数ペア:

[(1, 19321835), (5, 3864367), (13, 1486295), (31, 623285), (43, 449345), (65, 297259), (155, 124657), (215, 89869), (223, 86645), (403, 47945), (559, 34565), (1115, 17329), (1333, 14495), (2015, 9589), (2795, 6913), (2899, 6665)]