19925856

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1609}}^1$

素因数の和:1668

約数の個数: 72

約数和(自身を含む): 58017960

約数和(自身を除く): 38092104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 144, 172, 258, 288, 344, 387, 516, 688, 774, 1032, 1376, 1548, 1609, 2064, 3096, 3218, 4128, 4827, 6192, 6436, 9654, 12384, 12872, 14481, 19308, 25744, 28962, 38616, 51488, 57924, 69187, 77232, 115848, 138374, 154464, 207561, 231696, 276748, 415122, 463392, 553496, 622683, 830244, 1106992, 1245366, 1660488, 2213984, 2490732, 3320976, 4981464, 6641952, 9962928, 19925856]

約数ペア:

[(1, 19925856), (2, 9962928), (3, 6641952), (4, 4981464), (6, 3320976), (8, 2490732), (9, 2213984), (12, 1660488), (16, 1245366), (18, 1106992), (24, 830244), (32, 622683), (36, 553496), (43, 463392), (48, 415122), (72, 276748), (86, 231696), (96, 207561), (129, 154464), (144, 138374), (172, 115848), (258, 77232), (288, 69187), (344, 57924), (387, 51488), (516, 38616), (688, 28962), (774, 25744), (1032, 19308), (1376, 14481), (1548, 12872), (1609, 12384), (2064, 9654), (3096, 6436), (3218, 6192), (4128, 4827)]