19084840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15391}}^1$

素因数の和:15433

約数の個数: 32

約数和(自身を含む): 44328960

約数和(自身を除く): 25244120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15391, 30782, 61564, 76955, 123128, 153910, 307820, 477121, 615640, 954242, 1908484, 2385605, 3816968, 4771210, 9542420, 19084840]

約数ペア:

[(1, 19084840), (2, 9542420), (4, 4771210), (5, 3816968), (8, 2385605), (10, 1908484), (20, 954242), (31, 615640), (40, 477121), (62, 307820), (124, 153910), (155, 123128), (248, 76955), (310, 61564), (620, 30782), (1240, 15391)]