15219589

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 20367360

約数和(自身を除く): 5147771

約数列:

[1, 7, 11, 19, 77, 101, 103, 133, 209, 707, 721, 1111, 1133, 1463, 1919, 1957, 7777, 7931, 10403, 13433, 13699, 21109, 21527, 72821, 114433, 147763, 150689, 197657, 801031, 1383599, 2174227, 15219589]

約数ペア:

[(1, 15219589), (7, 2174227), (11, 1383599), (19, 801031), (77, 197657), (101, 150689), (103, 147763), (133, 114433), (209, 72821), (707, 21527), (721, 21109), (1111, 13699), (1133, 13433), (1463, 10403), (1919, 7931), (1957, 7777)]