9199990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1181}}^1$

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 17871840

約数和(自身を除く): 8671850

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1181, 1558, 2362, 3895, 5905, 7790, 11810, 22439, 44878, 48421, 96842, 112195, 224390, 242105, 484210, 919999, 1839998, 4599995, 9199990]

約数ペア:

[(1, 9199990), (2, 4599995), (5, 1839998), (10, 919999), (19, 484210), (38, 242105), (41, 224390), (82, 112195), (95, 96842), (190, 48421), (205, 44878), (410, 22439), (779, 11810), (1181, 7790), (1558, 5905), (2362, 3895)]