15880356

素因数分解:

$2^2\times 3^2\times {\mathrm{441121}}^1$

素因数の和:441131

約数の個数: 18

約数和(自身を含む): 40142102

約数和(自身を除く): 24261746

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 441121, 882242, 1323363, 1764484, 2646726, 3970089, 5293452, 7940178, 15880356]

約数ペア:

[(1, 15880356), (2, 7940178), (3, 5293452), (4, 3970089), (6, 2646726), (9, 1764484), (12, 1323363), (18, 882242), (36, 441121)]