19492965

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 36324288

約数和(自身を除く): 16831323

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 83, 85, 153, 249, 255, 307, 415, 747, 765, 921, 1245, 1411, 1535, 2763, 3735, 4233, 4605, 5219, 7055, 12699, 13815, 15657, 21165, 25481, 26095, 46971, 63495, 76443, 78285, 127405, 229329, 234855, 382215, 433177, 1146645, 1299531, 2165885, 3898593, 6497655, 19492965]

約数ペア:

[(1, 19492965), (3, 6497655), (5, 3898593), (9, 2165885), (15, 1299531), (17, 1146645), (45, 433177), (51, 382215), (83, 234855), (85, 229329), (153, 127405), (249, 78285), (255, 76443), (307, 63495), (415, 46971), (747, 26095), (765, 25481), (921, 21165), (1245, 15657), (1411, 13815), (1535, 12699), (2763, 7055), (3735, 5219), (4233, 4605)]