19098640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1973}}^1$

素因数の和:2008

約数の個数: 60

約数和(自身を含む): 48832812

約数和(自身を除く): 29734172

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 1973, 2420, 3946, 4840, 7892, 9680, 9865, 15784, 19730, 21703, 31568, 39460, 43406, 78920, 86812, 108515, 157840, 173624, 217030, 238733, 347248, 434060, 477466, 868120, 954932, 1193665, 1736240, 1909864, 2387330, 3819728, 4774660, 9549320, 19098640]

約数ペア:

[(1, 19098640), (2, 9549320), (4, 4774660), (5, 3819728), (8, 2387330), (10, 1909864), (11, 1736240), (16, 1193665), (20, 954932), (22, 868120), (40, 477466), (44, 434060), (55, 347248), (80, 238733), (88, 217030), (110, 173624), (121, 157840), (176, 108515), (220, 86812), (242, 78920), (440, 43406), (484, 39460), (605, 31568), (880, 21703), (968, 19730), (1210, 15784), (1936, 9865), (1973, 9680), (2420, 7892), (3946, 4840)]