18780690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21587}}^1$

素因数の和:21626

約数の個数: 32

約数和(自身を含む): 46630080

約数和(自身を除く): 27849390

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 21587, 43174, 64761, 107935, 129522, 215870, 323805, 626023, 647610, 1252046, 1878069, 3130115, 3756138, 6260230, 9390345, 18780690]

約数ペア:

[(1, 18780690), (2, 9390345), (3, 6260230), (5, 3756138), (6, 3130115), (10, 1878069), (15, 1252046), (29, 647610), (30, 626023), (58, 323805), (87, 215870), (145, 129522), (174, 107935), (290, 64761), (435, 43174), (870, 21587)]