2013190220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{170899}}^1$

素因数の和:170958

約数の個数: 48

約数和(自身を含む): 4593792000

約数和(自身を除く): 2580601780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 170899, 341798, 683596, 854495, 1708990, 3247081, 3417980, 5297869, 6494162, 10595738, 12988324, 16235405, 21191476, 26489345, 32470810, 52978690, 64941620, 100659511, 105957380, 201319022, 402638044, 503297555, 1006595110, 2013190220]

約数ペア:

[(1, 2013190220), (2, 1006595110), (4, 503297555), (5, 402638044), (10, 201319022), (19, 105957380), (20, 100659511), (31, 64941620), (38, 52978690), (62, 32470810), (76, 26489345), (95, 21191476), (124, 16235405), (155, 12988324), (190, 10595738), (310, 6494162), (380, 5297869), (589, 3417980), (620, 3247081), (1178, 1708990), (2356, 854495), (2945, 683596), (5890, 341798), (11780, 170899)]