18142131

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1109}}^1$

素因数の和:1179

約数の個数: 32

約数和(自身を含む): 29836800

約数和(自身を除く): 11694669

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 779, 861, 1109, 2337, 3327, 5453, 7763, 16359, 21071, 23289, 45469, 63213, 136407, 147497, 318283, 442491, 863911, 954849, 2591733, 6047377, 18142131]

約数ペア:

[(1, 18142131), (3, 6047377), (7, 2591733), (19, 954849), (21, 863911), (41, 442491), (57, 318283), (123, 147497), (133, 136407), (287, 63213), (399, 45469), (779, 23289), (861, 21071), (1109, 16359), (2337, 7763), (3327, 5453)]