19811243851

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{457}}^1\times {\mathrm{23911}}^1$

素因数の和:24419

約数の個数: 24

約数和(自身を含む): 23721373536

約数和(自身を除く): 3910129685

約数列:

[1, 7, 37, 49, 259, 457, 1813, 3199, 16909, 22393, 23911, 118363, 167377, 828541, 884707, 1171639, 6192949, 10927327, 43350643, 76491289, 404311099, 535439023, 2830177693, 19811243851]

約数ペア:

[(1, 19811243851), (7, 2830177693), (37, 535439023), (49, 404311099), (259, 76491289), (457, 43350643), (1813, 10927327), (3199, 6192949), (16909, 1171639), (22393, 884707), (23911, 828541), (118363, 167377)]