18779358

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3391}}^1$

素因数の和:3480

約数の個数: 32

約数和(自身を含む): 41029632

約数和(自身を除く): 22250274

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 3391, 5538, 6782, 10173, 20346, 44083, 88166, 132249, 240761, 264498, 481522, 722283, 1444566, 3129893, 6259786, 9389679, 18779358]

約数ペア:

[(1, 18779358), (2, 9389679), (3, 6259786), (6, 3129893), (13, 1444566), (26, 722283), (39, 481522), (71, 264498), (78, 240761), (142, 132249), (213, 88166), (426, 44083), (923, 20346), (1846, 10173), (2769, 6782), (3391, 5538)]