15640496

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{51449}}^1$

素因数の和:51476

約数の個数: 20

約数和(自身を含む): 31899000

約数和(自身を除く): 16258504

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 51449, 102898, 205796, 411592, 823184, 977531, 1955062, 3910124, 7820248, 15640496]

約数ペア:

[(1, 15640496), (2, 7820248), (4, 3910124), (8, 1955062), (16, 977531), (19, 823184), (38, 411592), (76, 205796), (152, 102898), (304, 51449)]