19935708

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2719}}^1$

素因数の和:2786

約数の個数: 48

約数和(自身を含む): 51179520

約数和(自身を除く): 31243812

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 188, 282, 564, 611, 1222, 1833, 2444, 2719, 3666, 5438, 7332, 8157, 10876, 16314, 32628, 35347, 70694, 106041, 127793, 141388, 212082, 255586, 383379, 424164, 511172, 766758, 1533516, 1661309, 3322618, 4983927, 6645236, 9967854, 19935708]

約数ペア:

[(1, 19935708), (2, 9967854), (3, 6645236), (4, 4983927), (6, 3322618), (12, 1661309), (13, 1533516), (26, 766758), (39, 511172), (47, 424164), (52, 383379), (78, 255586), (94, 212082), (141, 141388), (156, 127793), (188, 106041), (282, 70694), (564, 35347), (611, 32628), (1222, 16314), (1833, 10876), (2444, 8157), (2719, 7332), (3666, 5438)]