2018356790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{9521}}^1$

素因数の和:9617

約数の個数: 64

約数和(自身を含む): 4072368960

約数和(自身を除く): 2054012170

約数列:

[1, 2, 5, 10, 17, 29, 34, 43, 58, 85, 86, 145, 170, 215, 290, 430, 493, 731, 986, 1247, 1462, 2465, 2494, 3655, 4930, 6235, 7310, 9521, 12470, 19042, 21199, 42398, 47605, 95210, 105995, 161857, 211990, 276109, 323714, 409403, 552218, 809285, 818806, 1380545, 1618570, 2047015, 2761090, 4094030, 4693853, 6959851, 9387706, 11872687, 13919702, 23469265, 23745374, 34799255, 46938530, 59363435, 69598510, 118726870, 201835679, 403671358, 1009178395, 2018356790]

約数ペア:

[(1, 2018356790), (2, 1009178395), (5, 403671358), (10, 201835679), (17, 118726870), (29, 69598510), (34, 59363435), (43, 46938530), (58, 34799255), (85, 23745374), (86, 23469265), (145, 13919702), (170, 11872687), (215, 9387706), (290, 6959851), (430, 4693853), (493, 4094030), (731, 2761090), (986, 2047015), (1247, 1618570), (1462, 1380545), (2465, 818806), (2494, 809285), (3655, 552218), (4930, 409403), (6235, 323714), (7310, 276109), (9521, 211990), (12470, 161857), (19042, 105995), (21199, 95210), (42398, 47605)]