18702418

素因数分解:

$2^1\times 7^3\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 33120000

約数和(自身を除く): 14417582

約数列:

[1, 2, 7, 14, 49, 98, 137, 199, 274, 343, 398, 686, 959, 1393, 1918, 2786, 6713, 9751, 13426, 19502, 27263, 46991, 54526, 68257, 93982, 136514, 190841, 381682, 1335887, 2671774, 9351209, 18702418]

約数ペア:

[(1, 18702418), (2, 9351209), (7, 2671774), (14, 1335887), (49, 381682), (98, 190841), (137, 136514), (199, 93982), (274, 68257), (343, 54526), (398, 46991), (686, 27263), (959, 19502), (1393, 13426), (1918, 9751), (2786, 6713)]