18831663

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 29184000

約数和(自身を除く): 10352337

約数列:

[1, 3, 9, 27, 31, 93, 149, 151, 279, 447, 453, 837, 1341, 1359, 4023, 4077, 4619, 4681, 13857, 14043, 22499, 41571, 42129, 67497, 124713, 126387, 202491, 607473, 697469, 2092407, 6277221, 18831663]

約数ペア:

[(1, 18831663), (3, 6277221), (9, 2092407), (27, 697469), (31, 607473), (93, 202491), (149, 126387), (151, 124713), (279, 67497), (447, 42129), (453, 41571), (837, 22499), (1341, 14043), (1359, 13857), (4023, 4681), (4077, 4619)]