19947088

素因数分解:

$2^4\times 7^1\times {\mathrm{241}}^1\times {\mathrm{739}}^1$

素因数の和:995

約数の個数: 40

約数和(自身を含む): 44411840

約数和(自身を除く): 24464752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 241, 482, 739, 964, 1478, 1687, 1928, 2956, 3374, 3856, 5173, 5912, 6748, 10346, 11824, 13496, 20692, 26992, 41384, 82768, 178099, 356198, 712396, 1246693, 1424792, 2493386, 2849584, 4986772, 9973544, 19947088]

約数ペア:

[(1, 19947088), (2, 9973544), (4, 4986772), (7, 2849584), (8, 2493386), (14, 1424792), (16, 1246693), (28, 712396), (56, 356198), (112, 178099), (241, 82768), (482, 41384), (739, 26992), (964, 20692), (1478, 13496), (1687, 11824), (1928, 10346), (2956, 6748), (3374, 5912), (3856, 5173)]