19869268

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{349}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 35789600

約数和(自身を除く): 15920332

約数列:

[1, 2, 4, 43, 86, 172, 331, 349, 662, 698, 1324, 1396, 14233, 15007, 28466, 30014, 56932, 60028, 115519, 231038, 462076, 4967317, 9934634, 19869268]

約数ペア:

[(1, 19869268), (2, 9934634), (4, 4967317), (43, 462076), (86, 231038), (172, 115519), (331, 60028), (349, 56932), (662, 30014), (698, 28466), (1324, 15007), (1396, 14233)]