17639180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67843}}^1$

素因数の和:67865

約数の個数: 24

約数和(自身を含む): 39892272

約数和(自身を除く): 22253092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 67843, 135686, 271372, 339215, 678430, 881959, 1356860, 1763918, 3527836, 4409795, 8819590, 17639180]

約数ペア:

[(1, 17639180), (2, 8819590), (4, 4409795), (5, 3527836), (10, 1763918), (13, 1356860), (20, 881959), (26, 678430), (52, 339215), (65, 271372), (130, 135686), (260, 67843)]