19702473

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{241}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 32060160

約数和(自身を除く): 12357687

約数列:

[1, 3, 7, 17, 21, 51, 119, 229, 241, 357, 687, 723, 1603, 1687, 3893, 4097, 4809, 5061, 11679, 12291, 27251, 28679, 55189, 81753, 86037, 165567, 386323, 938213, 1158969, 2814639, 6567491, 19702473]

約数ペア:

[(1, 19702473), (3, 6567491), (7, 2814639), (17, 1158969), (21, 938213), (51, 386323), (119, 165567), (229, 86037), (241, 81753), (357, 55189), (687, 28679), (723, 27251), (1603, 12291), (1687, 11679), (3893, 5061), (4097, 4809)]