19884240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27617}}^1$

素因数の和:27636

約数の個数: 60

約数和(自身を含む): 66780324

約数和(自身を除く): 46896084

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 27617, 55234, 82851, 110468, 138085, 165702, 220936, 248553, 276170, 331404, 414255, 441872, 497106, 552340, 662808, 828510, 994212, 1104680, 1242765, 1325616, 1657020, 1988424, 2209360, 2485530, 3314040, 3976848, 4971060, 6628080, 9942120, 19884240]

約数ペア:

[(1, 19884240), (2, 9942120), (3, 6628080), (4, 4971060), (5, 3976848), (6, 3314040), (8, 2485530), (9, 2209360), (10, 1988424), (12, 1657020), (15, 1325616), (16, 1242765), (18, 1104680), (20, 994212), (24, 828510), (30, 662808), (36, 552340), (40, 497106), (45, 441872), (48, 414255), (60, 331404), (72, 276170), (80, 248553), (90, 220936), (120, 165702), (144, 138085), (180, 110468), (240, 82851), (360, 55234), (720, 27617)]