19278716

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{641}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 34585824

約数和(自身を除く): 15307108

約数列:

[1, 2, 4, 73, 103, 146, 206, 292, 412, 641, 1282, 2564, 7519, 15038, 30076, 46793, 66023, 93586, 132046, 187172, 264092, 4819679, 9639358, 19278716]

約数ペア:

[(1, 19278716), (2, 9639358), (4, 4819679), (73, 264092), (103, 187172), (146, 132046), (206, 93586), (292, 66023), (412, 46793), (641, 30076), (1282, 15038), (2564, 7519)]