18636560

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^2\times {\mathrm{277}}^1$

素因数の和:348

約数の個数: 60

約数和(自身を含む): 45037668

約数和(自身を除く): 26401108

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 277, 290, 464, 554, 580, 841, 1108, 1160, 1385, 1682, 2216, 2320, 2770, 3364, 4205, 4432, 5540, 6728, 8033, 8410, 11080, 13456, 16066, 16820, 22160, 32132, 33640, 40165, 64264, 67280, 80330, 128528, 160660, 232957, 321320, 465914, 642640, 931828, 1164785, 1863656, 2329570, 3727312, 4659140, 9318280, 18636560]

約数ペア:

[(1, 18636560), (2, 9318280), (4, 4659140), (5, 3727312), (8, 2329570), (10, 1863656), (16, 1164785), (20, 931828), (29, 642640), (40, 465914), (58, 321320), (80, 232957), (116, 160660), (145, 128528), (232, 80330), (277, 67280), (290, 64264), (464, 40165), (554, 33640), (580, 32132), (841, 22160), (1108, 16820), (1160, 16066), (1385, 13456), (1682, 11080), (2216, 8410), (2320, 8033), (2770, 6728), (3364, 5540), (4205, 4432)]