19451016

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{2309}}^1$

素因数の和:2340

約数の個数: 80

約数和(自身を含む): 58697100

約数和(自身を除く): 39246084

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2309, 2808, 4212, 4618, 6927, 8424, 9236, 13854, 18472, 20781, 27708, 30017, 41562, 55416, 60034, 62343, 83124, 90051, 120068, 124686, 166248, 180102, 187029, 240136, 249372, 270153, 360204, 374058, 498744, 540306, 720408, 748116, 810459, 1080612, 1496232, 1620918, 2161224, 2431377, 3241836, 4862754, 6483672, 9725508, 19451016]

約数ペア:

[(1, 19451016), (2, 9725508), (3, 6483672), (4, 4862754), (6, 3241836), (8, 2431377), (9, 2161224), (12, 1620918), (13, 1496232), (18, 1080612), (24, 810459), (26, 748116), (27, 720408), (36, 540306), (39, 498744), (52, 374058), (54, 360204), (72, 270153), (78, 249372), (81, 240136), (104, 187029), (108, 180102), (117, 166248), (156, 124686), (162, 120068), (216, 90051), (234, 83124), (312, 62343), (324, 60034), (351, 55416), (468, 41562), (648, 30017), (702, 27708), (936, 20781), (1053, 18472), (1404, 13854), (2106, 9236), (2309, 8424), (2808, 6927), (4212, 4618)]