19880964

素因数分解:

$2^2\times 3^4\times {\mathrm{43}}^1\times {\mathrm{1427}}^1$

素因数の和:1486

約数の個数: 60

約数和(自身を含む): 53218704

約数和(自身を除く): 33337740

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 258, 324, 387, 516, 774, 1161, 1427, 1548, 2322, 2854, 3483, 4281, 4644, 5708, 6966, 8562, 12843, 13932, 17124, 25686, 38529, 51372, 61361, 77058, 115587, 122722, 154116, 184083, 231174, 245444, 368166, 462348, 552249, 736332, 1104498, 1656747, 2208996, 3313494, 4970241, 6626988, 9940482, 19880964]

約数ペア:

[(1, 19880964), (2, 9940482), (3, 6626988), (4, 4970241), (6, 3313494), (9, 2208996), (12, 1656747), (18, 1104498), (27, 736332), (36, 552249), (43, 462348), (54, 368166), (81, 245444), (86, 231174), (108, 184083), (129, 154116), (162, 122722), (172, 115587), (258, 77058), (324, 61361), (387, 51372), (516, 38529), (774, 25686), (1161, 17124), (1427, 13932), (1548, 12843), (2322, 8562), (2854, 6966), (3483, 5708), (4281, 4644)]