19229360

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1531}}^1$

素因数の和:1701

約数の個数: 40

約数和(自身を含む): 45022416

約数和(自身を除く): 25793056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1531, 1570, 2512, 3062, 3140, 6124, 6280, 7655, 12248, 12560, 15310, 24496, 30620, 61240, 122480, 240367, 480734, 961468, 1201835, 1922936, 2403670, 3845872, 4807340, 9614680, 19229360]

約数ペア:

[(1, 19229360), (2, 9614680), (4, 4807340), (5, 3845872), (8, 2403670), (10, 1922936), (16, 1201835), (20, 961468), (40, 480734), (80, 240367), (157, 122480), (314, 61240), (628, 30620), (785, 24496), (1256, 15310), (1531, 12560), (1570, 12248), (2512, 7655), (3062, 6280), (3140, 6124)]