15511721968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{31273633}}^1$

素因数の和:31273672

約数の個数: 20

約数和(自身を含む): 31023444928

約数和(自身を除く): 15511722960

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 31273633, 62547266, 125094532, 250189064, 500378128, 969482623, 1938965246, 3877930492, 7755860984, 15511721968]

約数ペア:

[(1, 15511721968), (2, 7755860984), (4, 3877930492), (8, 1938965246), (16, 969482623), (31, 500378128), (62, 250189064), (124, 125094532), (248, 62547266), (496, 31273633)]