19615020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11273}}^1$

素因数の和:11314

約数の個数: 48

約数和(自身を含む): 56820960

約数和(自身を除く): 37205940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 11273, 22546, 33819, 45092, 56365, 67638, 112730, 135276, 169095, 225460, 326917, 338190, 653834, 676380, 980751, 1307668, 1634585, 1961502, 3269170, 3923004, 4903755, 6538340, 9807510, 19615020]

約数ペア:

[(1, 19615020), (2, 9807510), (3, 6538340), (4, 4903755), (5, 3923004), (6, 3269170), (10, 1961502), (12, 1634585), (15, 1307668), (20, 980751), (29, 676380), (30, 653834), (58, 338190), (60, 326917), (87, 225460), (116, 169095), (145, 135276), (174, 112730), (290, 67638), (348, 56365), (435, 45092), (580, 33819), (870, 22546), (1740, 11273)]