19833520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:458

約数の個数: 80

約数和(自身を含む): 53353728

約数和(自身を除く): 33520208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 214, 280, 331, 428, 535, 560, 662, 749, 856, 1070, 1324, 1498, 1655, 1712, 2140, 2317, 2648, 2996, 3310, 3745, 4280, 4634, 5296, 5992, 6620, 7490, 8560, 9268, 11585, 11984, 13240, 14980, 18536, 23170, 26480, 29960, 35417, 37072, 46340, 59920, 70834, 92680, 141668, 177085, 185360, 247919, 283336, 354170, 495838, 566672, 708340, 991676, 1239595, 1416680, 1983352, 2479190, 2833360, 3966704, 4958380, 9916760, 19833520]

約数ペア:

[(1, 19833520), (2, 9916760), (4, 4958380), (5, 3966704), (7, 2833360), (8, 2479190), (10, 1983352), (14, 1416680), (16, 1239595), (20, 991676), (28, 708340), (35, 566672), (40, 495838), (56, 354170), (70, 283336), (80, 247919), (107, 185360), (112, 177085), (140, 141668), (214, 92680), (280, 70834), (331, 59920), (428, 46340), (535, 37072), (560, 35417), (662, 29960), (749, 26480), (856, 23170), (1070, 18536), (1324, 14980), (1498, 13240), (1655, 11984), (1712, 11585), (2140, 9268), (2317, 8560), (2648, 7490), (2996, 6620), (3310, 5992), (3745, 5296), (4280, 4634)]