18960697

素因数分解:

$7^4\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:230

約数の個数: 20

約数和(自身を含む): 22688100

約数和(自身を除く): 3727403

約数列:

[1, 7, 49, 53, 149, 343, 371, 1043, 2401, 2597, 7301, 7897, 18179, 51107, 55279, 127253, 357749, 386953, 2708671, 18960697]

約数ペア:

[(1, 18960697), (7, 2708671), (49, 386953), (53, 357749), (149, 127253), (343, 55279), (371, 51107), (1043, 18179), (2401, 7897), (2597, 7301)]