19065568

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 40252464

約数和(自身を除く): 21186896

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 101, 136, 202, 272, 347, 404, 544, 694, 808, 1388, 1616, 1717, 2776, 3232, 3434, 5552, 5899, 6868, 11104, 11798, 13736, 23596, 27472, 35047, 47192, 54944, 70094, 94384, 140188, 188768, 280376, 560752, 595799, 1121504, 1191598, 2383196, 4766392, 9532784, 19065568]

約数ペア:

[(1, 19065568), (2, 9532784), (4, 4766392), (8, 2383196), (16, 1191598), (17, 1121504), (32, 595799), (34, 560752), (68, 280376), (101, 188768), (136, 140188), (202, 94384), (272, 70094), (347, 54944), (404, 47192), (544, 35047), (694, 27472), (808, 23596), (1388, 13736), (1616, 11798), (1717, 11104), (2776, 6868), (3232, 5899), (3434, 5552)]