18950217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 29976576

約数和(自身を除く): 11026359

約数列:

[1, 3, 11, 13, 33, 39, 143, 163, 271, 429, 489, 813, 1793, 2119, 2981, 3523, 5379, 6357, 8943, 10569, 23309, 38753, 44173, 69927, 116259, 132519, 485903, 574249, 1457709, 1722747, 6316739, 18950217]

約数ペア:

[(1, 18950217), (3, 6316739), (11, 1722747), (13, 1457709), (33, 574249), (39, 485903), (143, 132519), (163, 116259), (271, 69927), (429, 44173), (489, 38753), (813, 23309), (1793, 10569), (2119, 8943), (2981, 6357), (3523, 5379)]