18933985

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 27060480

約数和(自身を除く): 8126495

約数列:

[1, 5, 7, 35, 53, 59, 173, 265, 295, 371, 413, 865, 1211, 1855, 2065, 3127, 6055, 9169, 10207, 15635, 21889, 45845, 51035, 64183, 71449, 109445, 320915, 357245, 540971, 2704855, 3786797, 18933985]

約数ペア:

[(1, 18933985), (5, 3786797), (7, 2704855), (35, 540971), (53, 357245), (59, 320915), (173, 109445), (265, 71449), (295, 64183), (371, 51035), (413, 45845), (865, 21889), (1211, 15635), (1855, 10207), (2065, 9169), (3127, 6055)]