18345933

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 40

約数和(自身を含む): 28807680

約数和(自身を除く): 10461747

約数列:

[1, 3, 9, 27, 47, 61, 79, 81, 141, 183, 237, 423, 549, 711, 1269, 1647, 2133, 2867, 3713, 3807, 4819, 4941, 6399, 8601, 11139, 14457, 25803, 33417, 43371, 77409, 100251, 130113, 226493, 232227, 300753, 390339, 679479, 2038437, 6115311, 18345933]

約数ペア:

[(1, 18345933), (3, 6115311), (9, 2038437), (27, 679479), (47, 390339), (61, 300753), (79, 232227), (81, 226493), (141, 130113), (183, 100251), (237, 77409), (423, 43371), (549, 33417), (711, 25803), (1269, 14457), (1647, 11139), (2133, 8601), (2867, 6399), (3713, 4941), (3807, 4819)]