18822640

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6359}}^1$

素因数の和:6409

約数の個数: 40

約数和(自身を含む): 44952480

約数和(自身を除く): 26129840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6359, 12718, 25436, 31795, 50872, 63590, 101744, 127180, 235283, 254360, 470566, 508720, 941132, 1176415, 1882264, 2352830, 3764528, 4705660, 9411320, 18822640]

約数ペア:

[(1, 18822640), (2, 9411320), (4, 4705660), (5, 3764528), (8, 2352830), (10, 1882264), (16, 1176415), (20, 941132), (37, 508720), (40, 470566), (74, 254360), (80, 235283), (148, 127180), (185, 101744), (296, 63590), (370, 50872), (592, 31795), (740, 25436), (1480, 12718), (2960, 6359)]