18565220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{32009}}^1$

素因数の和:32047

約数の個数: 24

約数和(自身を含む): 40332600

約数和(自身を除く): 21767380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 32009, 64018, 128036, 160045, 320090, 640180, 928261, 1856522, 3713044, 4641305, 9282610, 18565220]

約数ペア:

[(1, 18565220), (2, 9282610), (4, 4641305), (5, 3713044), (10, 1856522), (20, 928261), (29, 640180), (58, 320090), (116, 160045), (145, 128036), (290, 64018), (580, 32009)]