19384144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2273}}^1$

素因数の和:2335

約数の個数: 40

約数和(自身を含む): 41450472

約数和(自身を除く): 22066328

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 2132, 2273, 4264, 4546, 8528, 9092, 18184, 29549, 36368, 59098, 93193, 118196, 186386, 236392, 372772, 472784, 745544, 1211509, 1491088, 2423018, 4846036, 9692072, 19384144]

約数ペア:

[(1, 19384144), (2, 9692072), (4, 4846036), (8, 2423018), (13, 1491088), (16, 1211509), (26, 745544), (41, 472784), (52, 372772), (82, 236392), (104, 186386), (164, 118196), (208, 93193), (328, 59098), (533, 36368), (656, 29549), (1066, 18184), (2132, 9092), (2273, 8528), (4264, 4546)]