19691488

素因数分解:

$2^5\times {\mathrm{563}}^1\times {\mathrm{1093}}^1$

素因数の和:1666

約数の個数: 24

約数和(自身を含む): 38872008

約数和(自身を除く): 19180520

約数列:

[1, 2, 4, 8, 16, 32, 563, 1093, 1126, 2186, 2252, 4372, 4504, 8744, 9008, 17488, 18016, 34976, 615359, 1230718, 2461436, 4922872, 9845744, 19691488]

約数ペア:

[(1, 19691488), (2, 9845744), (4, 4922872), (8, 2461436), (16, 1230718), (32, 615359), (563, 34976), (1093, 18016), (1126, 17488), (2186, 9008), (2252, 8744), (4372, 4504)]