19821630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1249}}^1$

素因数の和:1305

約数の個数: 48

約数和(自身を含む): 49770000

約数和(自身を除く): 29948370

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 529, 690, 1058, 1249, 1587, 2498, 2645, 3174, 3747, 5290, 6245, 7494, 7935, 12490, 15870, 18735, 28727, 37470, 57454, 86181, 143635, 172362, 287270, 430905, 660721, 861810, 1321442, 1982163, 3303605, 3964326, 6607210, 9910815, 19821630]

約数ペア:

[(1, 19821630), (2, 9910815), (3, 6607210), (5, 3964326), (6, 3303605), (10, 1982163), (15, 1321442), (23, 861810), (30, 660721), (46, 430905), (69, 287270), (115, 172362), (138, 143635), (230, 86181), (345, 57454), (529, 37470), (690, 28727), (1058, 18735), (1249, 15870), (1587, 12490), (2498, 7935), (2645, 7494), (3174, 6245), (3747, 5290)]