18887932

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3323}}^1$

素因数の和:3370

約数の個数: 36

約数和(自身を含む): 39788280

約数和(自身を除く): 20900348

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 3323, 5684, 6646, 13292, 23261, 46522, 93044, 96367, 162827, 192734, 325654, 385468, 651308, 674569, 1349138, 2698276, 4721983, 9443966, 18887932]

約数ペア:

[(1, 18887932), (2, 9443966), (4, 4721983), (7, 2698276), (14, 1349138), (28, 674569), (29, 651308), (49, 385468), (58, 325654), (98, 192734), (116, 162827), (196, 96367), (203, 93044), (406, 46522), (812, 23261), (1421, 13292), (2842, 6646), (3323, 5684)]