18213200

素因数分解:

$2^4\times 5^2\times {\mathrm{45533}}^1$

素因数の和:45551

約数の個数: 30

約数和(自身を含む): 43758174

約数和(自身を除く): 25544974

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 45533, 91066, 182132, 227665, 364264, 455330, 728528, 910660, 1138325, 1821320, 2276650, 3642640, 4553300, 9106600, 18213200]

約数ペア:

[(1, 18213200), (2, 9106600), (4, 4553300), (5, 3642640), (8, 2276650), (10, 1821320), (16, 1138325), (20, 910660), (25, 728528), (40, 455330), (50, 364264), (80, 227665), (100, 182132), (200, 91066), (400, 45533)]