19523416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3637}}^1$

素因数の和:3715

約数の個数: 32

約数和(自身を含む): 40600080

約数和(自身を除く): 21076664

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3637, 5368, 7274, 14548, 29096, 40007, 80014, 160028, 221857, 320056, 443714, 887428, 1774856, 2440427, 4880854, 9761708, 19523416]

約数ペア:

[(1, 19523416), (2, 9761708), (4, 4880854), (8, 2440427), (11, 1774856), (22, 887428), (44, 443714), (61, 320056), (88, 221857), (122, 160028), (244, 80014), (488, 40007), (671, 29096), (1342, 14548), (2684, 7274), (3637, 5368)]