19719266

素因数分解:

$2^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{647}}^1$

素因数の和:974

約数の個数: 24

約数和(自身を含む): 34572096

約数和(自身を除く): 14852830

約数列:

[1, 2, 7, 14, 49, 98, 311, 622, 647, 1294, 2177, 4354, 4529, 9058, 15239, 30478, 31703, 63406, 201217, 402434, 1408519, 2817038, 9859633, 19719266]

約数ペア:

[(1, 19719266), (2, 9859633), (7, 2817038), (14, 1408519), (49, 402434), (98, 201217), (311, 63406), (622, 31703), (647, 30478), (1294, 15239), (2177, 9058), (4354, 4529)]