22519990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{547}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 42612480

約数和(自身を除く): 20092490

約数列:

[1, 2, 5, 10, 23, 46, 115, 179, 230, 358, 547, 895, 1094, 1790, 2735, 4117, 5470, 8234, 12581, 20585, 25162, 41170, 62905, 97913, 125810, 195826, 489565, 979130, 2251999, 4503998, 11259995, 22519990]

約数ペア:

[(1, 22519990), (2, 11259995), (5, 4503998), (10, 2251999), (23, 979130), (46, 489565), (115, 195826), (179, 125810), (230, 97913), (358, 62905), (547, 41170), (895, 25162), (1094, 20585), (1790, 12581), (2735, 8234), (4117, 5470)]