18897502

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 32114880

約数和(自身を除く): 13217378

約数列:

[1, 2, 13, 26, 29, 58, 71, 142, 353, 377, 706, 754, 923, 1846, 2059, 4118, 4589, 9178, 10237, 20474, 25063, 26767, 50126, 53534, 133081, 266162, 325819, 651638, 726827, 1453654, 9448751, 18897502]

約数ペア:

[(1, 18897502), (2, 9448751), (13, 1453654), (26, 726827), (29, 651638), (58, 325819), (71, 266162), (142, 133081), (353, 53534), (377, 50126), (706, 26767), (754, 25063), (923, 20474), (1846, 10237), (2059, 9178), (4118, 4589)]