18618580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{683}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 22749740

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 188, 235, 290, 470, 580, 683, 940, 1363, 1366, 2726, 2732, 3415, 5452, 6815, 6830, 13630, 13660, 19807, 27260, 32101, 39614, 64202, 79228, 99035, 128404, 160505, 198070, 321010, 396140, 642020, 930929, 1861858, 3723716, 4654645, 9309290, 18618580]

約数ペア:

[(1, 18618580), (2, 9309290), (4, 4654645), (5, 3723716), (10, 1861858), (20, 930929), (29, 642020), (47, 396140), (58, 321010), (94, 198070), (116, 160505), (145, 128404), (188, 99035), (235, 79228), (290, 64202), (470, 39614), (580, 32101), (683, 27260), (940, 19807), (1363, 13660), (1366, 13630), (2726, 6830), (2732, 6815), (3415, 5452)]