19304480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9281}}^1$

素因数の和:9309

約数の個数: 48

約数和(自身を含む): 49120344

約数和(自身を除く): 29815864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 9281, 18562, 37124, 46405, 74248, 92810, 120653, 148496, 185620, 241306, 296992, 371240, 482612, 603265, 742480, 965224, 1206530, 1484960, 1930448, 2413060, 3860896, 4826120, 9652240, 19304480]

約数ペア:

[(1, 19304480), (2, 9652240), (4, 4826120), (5, 3860896), (8, 2413060), (10, 1930448), (13, 1484960), (16, 1206530), (20, 965224), (26, 742480), (32, 603265), (40, 482612), (52, 371240), (65, 296992), (80, 241306), (104, 185620), (130, 148496), (160, 120653), (208, 92810), (260, 74248), (416, 46405), (520, 37124), (1040, 18562), (2080, 9281)]