18803020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1907}}^1$

素因数の和:1962

約数の個数: 48

約数和(自身を含む): 43273440

約数和(自身を除く): 24470420

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1907, 1972, 2465, 3814, 4930, 7628, 9535, 9860, 19070, 32419, 38140, 55303, 64838, 110606, 129676, 162095, 221212, 276515, 324190, 553030, 648380, 940151, 1106060, 1880302, 3760604, 4700755, 9401510, 18803020]

約数ペア:

[(1, 18803020), (2, 9401510), (4, 4700755), (5, 3760604), (10, 1880302), (17, 1106060), (20, 940151), (29, 648380), (34, 553030), (58, 324190), (68, 276515), (85, 221212), (116, 162095), (145, 129676), (170, 110606), (290, 64838), (340, 55303), (493, 38140), (580, 32419), (986, 19070), (1907, 9860), (1972, 9535), (2465, 7628), (3814, 4930)]