15221744

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{30689}}^1$

素因数の和:30728

約数の個数: 20

約数和(自身を含む): 30444480

約数和(自身を除く): 15222736

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 30689, 61378, 122756, 245512, 491024, 951359, 1902718, 3805436, 7610872, 15221744]

約数ペア:

[(1, 15221744), (2, 7610872), (4, 3805436), (8, 1902718), (16, 951359), (31, 491024), (62, 245512), (124, 122756), (248, 61378), (496, 30689)]