19630728

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{6991}}^1$

素因数の和:7019

約数の個数: 64

約数和(自身を含む): 58732800

約数和(自身を除く): 39102072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 6991, 13982, 20973, 27964, 41946, 55928, 62919, 83892, 90883, 125838, 167784, 181766, 188757, 251676, 272649, 363532, 377514, 503352, 545298, 727064, 755028, 817947, 1090596, 1510056, 1635894, 2181192, 2453841, 3271788, 4907682, 6543576, 9815364, 19630728]

約数ペア:

[(1, 19630728), (2, 9815364), (3, 6543576), (4, 4907682), (6, 3271788), (8, 2453841), (9, 2181192), (12, 1635894), (13, 1510056), (18, 1090596), (24, 817947), (26, 755028), (27, 727064), (36, 545298), (39, 503352), (52, 377514), (54, 363532), (72, 272649), (78, 251676), (104, 188757), (108, 181766), (117, 167784), (156, 125838), (216, 90883), (234, 83892), (312, 62919), (351, 55928), (468, 41946), (702, 27964), (936, 20973), (1404, 13982), (2808, 6991)]