18643443

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1453}}^1$

素因数の和:1523

約数の個数: 32

約数和(自身を含む): 31266816

約数和(自身を除く): 12623373

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1453, 1833, 4277, 4359, 10171, 12831, 18889, 30513, 56667, 68291, 132223, 204873, 396669, 478037, 887783, 1434111, 2663349, 6214481, 18643443]

約数ペア:

[(1, 18643443), (3, 6214481), (7, 2663349), (13, 1434111), (21, 887783), (39, 478037), (47, 396669), (91, 204873), (141, 132223), (273, 68291), (329, 56667), (611, 30513), (987, 18889), (1453, 12831), (1833, 10171), (4277, 4359)]