18759818

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1997}}^1$

素因数の和:2078

約数の個数: 32

約数和(自身を含む): 35676288

約数和(自身を除く): 16916470

約数列:

[1, 2, 7, 11, 14, 22, 61, 77, 122, 154, 427, 671, 854, 1342, 1997, 3994, 4697, 9394, 13979, 21967, 27958, 43934, 121817, 153769, 243634, 307538, 852719, 1339987, 1705438, 2679974, 9379909, 18759818]

約数ペア:

[(1, 18759818), (2, 9379909), (7, 2679974), (11, 1705438), (14, 1339987), (22, 852719), (61, 307538), (77, 243634), (122, 153769), (154, 121817), (427, 43934), (671, 27958), (854, 21967), (1342, 13979), (1997, 9394), (3994, 4697)]