19386409

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{37}}^2$

素因数の和:122

約数の個数: 27

約数和(自身を含む): 24621093

約数和(自身を除く): 5234684

約数列:

[1, 7, 17, 37, 49, 119, 259, 289, 629, 833, 1369, 1813, 2023, 4403, 9583, 10693, 14161, 23273, 30821, 67081, 74851, 162911, 395641, 523957, 1140377, 2769487, 19386409]

約数ペア:

[(1, 19386409), (7, 2769487), (17, 1140377), (37, 523957), (49, 395641), (119, 162911), (259, 74851), (289, 67081), (629, 30821), (833, 23273), (1369, 14161), (1813, 10693), (2023, 9583)]