19684025680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22368211}}^1$

素因数の和:22368235

約数の個数: 40

約数和(自身を含む): 49925849184

約数和(自身を除く): 30241823504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22368211, 44736422, 89472844, 111841055, 178945688, 223682110, 246050321, 357891376, 447364220, 492100642, 894728440, 984201284, 1230251605, 1789456880, 1968402568, 2460503210, 3936805136, 4921006420, 9842012840, 19684025680]

約数ペア:

[(1, 19684025680), (2, 9842012840), (4, 4921006420), (5, 3936805136), (8, 2460503210), (10, 1968402568), (11, 1789456880), (16, 1230251605), (20, 984201284), (22, 894728440), (40, 492100642), (44, 447364220), (55, 357891376), (80, 246050321), (88, 223682110), (110, 178945688), (176, 111841055), (220, 89472844), (440, 44736422), (880, 22368211)]