18323840

素因数分解:

$2^7\times 5^1\times {\mathrm{28631}}^1$

素因数の和:28650

約数の個数: 32

約数和(自身を含む): 43806960

約数和(自身を除く): 25483120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28631, 57262, 114524, 143155, 229048, 286310, 458096, 572620, 916192, 1145240, 1832384, 2290480, 3664768, 4580960, 9161920, 18323840]

約数ペア:

[(1, 18323840), (2, 9161920), (4, 4580960), (5, 3664768), (8, 2290480), (10, 1832384), (16, 1145240), (20, 916192), (32, 572620), (40, 458096), (64, 286310), (80, 229048), (128, 143155), (160, 114524), (320, 57262), (640, 28631)]