18161542

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 33265728

約数和(自身を除く): 15104186

約数列:

[1, 2, 7, 14, 17, 34, 119, 137, 238, 274, 557, 959, 1114, 1918, 2329, 3899, 4658, 7798, 9469, 16303, 18938, 32606, 66283, 76309, 132566, 152618, 534163, 1068326, 1297253, 2594506, 9080771, 18161542]

約数ペア:

[(1, 18161542), (2, 9080771), (7, 2594506), (14, 1297253), (17, 1068326), (34, 534163), (119, 152618), (137, 132566), (238, 76309), (274, 66283), (557, 32606), (959, 18938), (1114, 16303), (1918, 9469), (2329, 7798), (3899, 4658)]