19950552

素因数分解:

$2^3\times 3^2\times {\mathrm{401}}^1\times {\mathrm{691}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 54245880

約数和(自身を除く): 34295328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 401, 691, 802, 1203, 1382, 1604, 2073, 2406, 2764, 3208, 3609, 4146, 4812, 5528, 6219, 7218, 8292, 9624, 12438, 14436, 16584, 24876, 28872, 49752, 277091, 554182, 831273, 1108364, 1662546, 2216728, 2493819, 3325092, 4987638, 6650184, 9975276, 19950552]

約数ペア:

[(1, 19950552), (2, 9975276), (3, 6650184), (4, 4987638), (6, 3325092), (8, 2493819), (9, 2216728), (12, 1662546), (18, 1108364), (24, 831273), (36, 554182), (72, 277091), (401, 49752), (691, 28872), (802, 24876), (1203, 16584), (1382, 14436), (1604, 12438), (2073, 9624), (2406, 8292), (2764, 7218), (3208, 6219), (3609, 5528), (4146, 4812)]