18767679

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 29884416

約数和(自身を除く): 11116737

約数列:

[1, 3, 7, 21, 31, 93, 127, 217, 227, 381, 651, 681, 889, 1589, 2667, 3937, 4767, 7037, 11811, 21111, 27559, 28829, 49259, 82677, 86487, 147777, 201803, 605409, 893699, 2681097, 6255893, 18767679]

約数ペア:

[(1, 18767679), (3, 6255893), (7, 2681097), (21, 893699), (31, 605409), (93, 201803), (127, 147777), (217, 86487), (227, 82677), (381, 49259), (651, 28829), (681, 27559), (889, 21111), (1589, 11811), (2667, 7037), (3937, 4767)]