19216708

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11251}}^1$

素因数の和:11323

約数の個数: 24

約数和(自身を含む): 39066944

約数和(自身を除く): 19850236

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 11251, 22502, 45004, 78757, 157514, 315028, 686311, 1372622, 2745244, 4804177, 9608354, 19216708]

約数ペア:

[(1, 19216708), (2, 9608354), (4, 4804177), (7, 2745244), (14, 1372622), (28, 686311), (61, 315028), (122, 157514), (244, 78757), (427, 45004), (854, 22502), (1708, 11251)]