19653836

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{743}}^1$

素因数の和:1153

約数の個数: 24

約数和(自身を含む): 36560160

約数和(自身を除く): 16906324

約数列:

[1, 2, 4, 17, 34, 68, 389, 743, 778, 1486, 1556, 2972, 6613, 12631, 13226, 25262, 26452, 50524, 289027, 578054, 1156108, 4913459, 9826918, 19653836]

約数ペア:

[(1, 19653836), (2, 9826918), (4, 4913459), (17, 1156108), (34, 578054), (68, 289027), (389, 50524), (743, 26452), (778, 25262), (1486, 13226), (1556, 12631), (2972, 6613)]