18481760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10501}}^1$

素因数の和:10527

約数の個数: 48

約数和(自身を含む): 47637072

約数和(自身を除く): 29155312

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, 10501, 21002, 42004, 52505, 84008, 105010, 115511, 168016, 210020, 231022, 336032, 420040, 462044, 577555, 840080, 924088, 1155110, 1680160, 1848176, 2310220, 3696352, 4620440, 9240880, 18481760]

約数ペア:

[(1, 18481760), (2, 9240880), (4, 4620440), (5, 3696352), (8, 2310220), (10, 1848176), (11, 1680160), (16, 1155110), (20, 924088), (22, 840080), (32, 577555), (40, 462044), (44, 420040), (55, 336032), (80, 231022), (88, 210020), (110, 168016), (160, 115511), (176, 105010), (220, 84008), (352, 52505), (440, 42004), (880, 21002), (1760, 10501)]