18386860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1319}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 41912640

約数和(自身を除く): 23525780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1319, 1394, 2638, 2788, 3485, 5276, 6595, 6970, 13190, 13940, 22423, 26380, 44846, 54079, 89692, 108158, 112115, 216316, 224230, 270395, 448460, 540790, 919343, 1081580, 1838686, 3677372, 4596715, 9193430, 18386860]

約数ペア:

[(1, 18386860), (2, 9193430), (4, 4596715), (5, 3677372), (10, 1838686), (17, 1081580), (20, 919343), (34, 540790), (41, 448460), (68, 270395), (82, 224230), (85, 216316), (164, 112115), (170, 108158), (205, 89692), (340, 54079), (410, 44846), (697, 26380), (820, 22423), (1319, 13940), (1394, 13190), (2638, 6970), (2788, 6595), (3485, 5276)]