18695294

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 24

約数和(自身を含む): 29599344

約数和(自身を除く): 10904050

約数列:

[1, 2, 31, 62, 71, 137, 142, 274, 961, 1922, 2201, 4247, 4402, 8494, 9727, 19454, 68231, 131657, 136462, 263314, 301537, 603074, 9347647, 18695294]

約数ペア:

[(1, 18695294), (2, 9347647), (31, 603074), (62, 301537), (71, 263314), (137, 136462), (142, 131657), (274, 68231), (961, 19454), (1922, 9727), (2201, 8494), (4247, 4402)]