19908862

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{2503}}^1$

素因数の和:2643

約数の個数: 16

約数和(自身を含む): 30919392

約数和(自身を除く): 11010530

約数列:

[1, 2, 41, 82, 97, 194, 2503, 3977, 5006, 7954, 102623, 205246, 242791, 485582, 9954431, 19908862]

約数ペア:

[(1, 19908862), (2, 9954431), (41, 485582), (82, 242791), (97, 205246), (194, 102623), (2503, 7954), (3977, 5006)]