19049860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1303}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 43376256

約数和(自身を除く): 24326396

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1303, 1462, 2606, 2924, 3655, 5212, 6515, 7310, 13030, 14620, 22151, 26060, 44302, 56029, 88604, 110755, 112058, 221510, 224116, 280145, 443020, 560290, 952493, 1120580, 1904986, 3809972, 4762465, 9524930, 19049860]

約数ペア:

[(1, 19049860), (2, 9524930), (4, 4762465), (5, 3809972), (10, 1904986), (17, 1120580), (20, 952493), (34, 560290), (43, 443020), (68, 280145), (85, 224116), (86, 221510), (170, 112058), (172, 110755), (215, 88604), (340, 56029), (430, 44302), (731, 26060), (860, 22151), (1303, 14620), (1462, 13030), (2606, 7310), (2924, 6515), (3655, 5212)]