18873260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1193}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 45734976

約数和(自身を除く): 26861716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1193, 1582, 2260, 2386, 3164, 3955, 4772, 5965, 7910, 8351, 11930, 15820, 16702, 23860, 33404, 41755, 83510, 134809, 167020, 269618, 539236, 674045, 943663, 1348090, 1887326, 2696180, 3774652, 4718315, 9436630, 18873260]

約数ペア:

[(1, 18873260), (2, 9436630), (4, 4718315), (5, 3774652), (7, 2696180), (10, 1887326), (14, 1348090), (20, 943663), (28, 674045), (35, 539236), (70, 269618), (113, 167020), (140, 134809), (226, 83510), (452, 41755), (565, 33404), (791, 23860), (1130, 16702), (1193, 15820), (1582, 11930), (2260, 8351), (2386, 7910), (3164, 5965), (3955, 4772)]