19741735

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 26141184

約数和(自身を除く): 6399449

約数列:

[1, 5, 13, 61, 65, 169, 305, 383, 793, 845, 1915, 3965, 4979, 10309, 23363, 24895, 51545, 64727, 116815, 303719, 323635, 1518595, 3948347, 19741735]

約数ペア:

[(1, 19741735), (5, 3948347), (13, 1518595), (61, 323635), (65, 303719), (169, 116815), (305, 64727), (383, 51545), (793, 24895), (845, 23363), (1915, 10309), (3965, 4979)]