18839478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{727}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 43190784

約数和(自身を除く): 24351306

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 617, 727, 1234, 1454, 1851, 2181, 3702, 4319, 4362, 5089, 8638, 10178, 12957, 15267, 25914, 30534, 448559, 897118, 1345677, 2691354, 3139913, 6279826, 9419739, 18839478]

約数ペア:

[(1, 18839478), (2, 9419739), (3, 6279826), (6, 3139913), (7, 2691354), (14, 1345677), (21, 897118), (42, 448559), (617, 30534), (727, 25914), (1234, 15267), (1454, 12957), (1851, 10178), (2181, 8638), (3702, 5089), (4319, 4362)]