18686422

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{1019}}^1$

素因数の和:1247

約数の個数: 16

約数和(自身を含む): 28751760

約数和(自身を除く): 10065338

約数列:

[1, 2, 53, 106, 173, 346, 1019, 2038, 9169, 18338, 54007, 108014, 176287, 352574, 9343211, 18686422]

約数ペア:

[(1, 18686422), (2, 9343211), (53, 352574), (106, 176287), (173, 108014), (346, 54007), (1019, 18338), (2038, 9169)]