1916804981

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{3191}}^1$

素因数の和:3282

約数の個数: 48

約数和(自身を含む): 2567593728

約数和(自身を除く): 650788747

約数列:

[1, 7, 13, 23, 41, 49, 91, 161, 287, 299, 533, 637, 943, 1127, 2009, 2093, 3191, 3731, 6601, 12259, 14651, 22337, 26117, 41483, 46207, 73393, 85813, 130831, 156359, 290381, 513751, 600691, 915817, 954109, 1700803, 2032667, 3009113, 3596257, 6410719, 6678763, 11905621, 21063791, 39118469, 46751341, 83339347, 147446537, 273829283, 1916804981]

約数ペア:

[(1, 1916804981), (7, 273829283), (13, 147446537), (23, 83339347), (41, 46751341), (49, 39118469), (91, 21063791), (161, 11905621), (287, 6678763), (299, 6410719), (533, 3596257), (637, 3009113), (943, 2032667), (1127, 1700803), (2009, 954109), (2093, 915817), (3191, 600691), (3731, 513751), (6601, 290381), (12259, 156359), (14651, 130831), (22337, 85813), (26117, 73393), (41483, 46207)]