19620548

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{409}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 35128800

約数和(自身を除く): 15508252

約数列:

[1, 2, 4, 67, 134, 179, 268, 358, 409, 716, 818, 1636, 11993, 23986, 27403, 47972, 54806, 73211, 109612, 146422, 292844, 4905137, 9810274, 19620548]

約数ペア:

[(1, 19620548), (2, 9810274), (4, 4905137), (67, 292844), (134, 146422), (179, 109612), (268, 73211), (358, 54806), (409, 47972), (716, 27403), (818, 23986), (1636, 11993)]