19734880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11213}}^1$

素因数の和:11239

約数の個数: 48

約数和(自身を含む): 50866704

約数和(自身を除く): 31131824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 11213, 22426, 44852, 56065, 89704, 112130, 123343, 179408, 224260, 246686, 358816, 448520, 493372, 616715, 897040, 986744, 1233430, 1794080, 1973488, 2466860, 3946976, 4933720, 9867440, 19734880]

約数ペア:

[(1, 19734880), (2, 9867440), (4, 4933720), (5, 3946976), (8, 2466860), (10, 1973488), (11, 1794080), (16, 1233430), (20, 986744), (22, 897040), (32, 616715), (40, 493372), (44, 448520), (55, 358816), (80, 246686), (88, 224260), (110, 179408), (160, 123343), (176, 112130), (220, 89704), (352, 56065), (440, 44852), (880, 22426), (1760, 11213)]