19366209

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{5087}}^1$

素因数の和:5146

約数の個数: 20

約数和(自身を含む): 29551104

約数和(自身を除く): 10184895

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 5087, 15261, 45783, 137349, 239089, 412047, 717267, 2151801, 6455403, 19366209]

約数ペア:

[(1, 19366209), (3, 6455403), (9, 2151801), (27, 717267), (47, 412047), (81, 239089), (141, 137349), (423, 45783), (1269, 15261), (3807, 5087)]