18579758

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 30551040

約数和(自身を除く): 11971282

約数列:

[1, 2, 19, 38, 47, 94, 101, 103, 202, 206, 893, 1786, 1919, 1957, 3838, 3914, 4747, 4841, 9494, 9682, 10403, 20806, 90193, 91979, 180386, 183958, 197657, 395314, 488941, 977882, 9289879, 18579758]

約数ペア:

[(1, 18579758), (2, 9289879), (19, 977882), (38, 488941), (47, 395314), (94, 197657), (101, 183958), (103, 180386), (202, 91979), (206, 90193), (893, 20806), (1786, 10403), (1919, 9682), (1957, 9494), (3838, 4841), (3914, 4747)]