19834360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5449}}^1$

素因数の和:5480

約数の個数: 64

約数和(自身を含む): 54936000

約数和(自身を除く): 35101640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5449, 10898, 21796, 27245, 38143, 43592, 54490, 70837, 76286, 108980, 141674, 152572, 190715, 217960, 283348, 305144, 354185, 381430, 495859, 566696, 708370, 762860, 991718, 1416740, 1525720, 1983436, 2479295, 2833480, 3966872, 4958590, 9917180, 19834360]

約数ペア:

[(1, 19834360), (2, 9917180), (4, 4958590), (5, 3966872), (7, 2833480), (8, 2479295), (10, 1983436), (13, 1525720), (14, 1416740), (20, 991718), (26, 762860), (28, 708370), (35, 566696), (40, 495859), (52, 381430), (56, 354185), (65, 305144), (70, 283348), (91, 217960), (104, 190715), (130, 152572), (140, 141674), (182, 108980), (260, 76286), (280, 70837), (364, 54490), (455, 43592), (520, 38143), (728, 27245), (910, 21796), (1820, 10898), (3640, 5449)]