19880772910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1\times {\mathrm{5431}}^1$

素因数の和:5869

約数の個数: 64

約数和(自身を含む): 38627777664

約数和(自身を除く): 18747004754

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 305, 353, 610, 706, 1037, 1765, 2074, 3530, 5185, 5431, 6001, 10370, 10862, 12002, 21533, 27155, 30005, 43066, 54310, 60010, 92327, 107665, 184654, 215330, 331291, 366061, 461635, 662582, 732122, 923270, 1656455, 1830305, 1917143, 3312910, 3660610, 3834286, 5631947, 9585715, 11263894, 19171430, 28159735, 32591431, 56319470, 65182862, 116945723, 162957155, 233891446, 325914310, 584728615, 1169457230, 1988077291, 3976154582, 9940386455, 19880772910]

約数ペア:

[(1, 19880772910), (2, 9940386455), (5, 3976154582), (10, 1988077291), (17, 1169457230), (34, 584728615), (61, 325914310), (85, 233891446), (122, 162957155), (170, 116945723), (305, 65182862), (353, 56319470), (610, 32591431), (706, 28159735), (1037, 19171430), (1765, 11263894), (2074, 9585715), (3530, 5631947), (5185, 3834286), (5431, 3660610), (6001, 3312910), (10370, 1917143), (10862, 1830305), (12002, 1656455), (21533, 923270), (27155, 732122), (30005, 662582), (43066, 461635), (54310, 366061), (60010, 331291), (92327, 215330), (107665, 184654)]