19564636

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{911}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 23335844

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 59, 91, 118, 182, 236, 364, 413, 767, 826, 911, 1534, 1652, 1822, 3068, 3644, 5369, 6377, 10738, 11843, 12754, 21476, 23686, 25508, 47372, 53749, 82901, 107498, 165802, 214996, 331604, 376243, 698737, 752486, 1397474, 1504972, 2794948, 4891159, 9782318, 19564636]

約数ペア:

[(1, 19564636), (2, 9782318), (4, 4891159), (7, 2794948), (13, 1504972), (14, 1397474), (26, 752486), (28, 698737), (52, 376243), (59, 331604), (91, 214996), (118, 165802), (182, 107498), (236, 82901), (364, 53749), (413, 47372), (767, 25508), (826, 23686), (911, 21476), (1534, 12754), (1652, 11843), (1822, 10738), (3068, 6377), (3644, 5369)]