19870293636

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{132331}}^1$

素因数の和:132481

約数の個数: 72

約数和(自身を含む): 51926018144

約数和(自身を除く): 32055724508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 97, 129, 172, 194, 258, 291, 387, 388, 516, 582, 774, 873, 1164, 1548, 1746, 3492, 4171, 8342, 12513, 16684, 25026, 37539, 50052, 75078, 132331, 150156, 264662, 396993, 529324, 793986, 1190979, 1587972, 2381958, 4763916, 5690233, 11380466, 12836107, 17070699, 22760932, 25672214, 34141398, 38508321, 51212097, 51344428, 68282796, 77016642, 102424194, 115524963, 154033284, 204848388, 231049926, 462099852, 551952601, 1103905202, 1655857803, 2207810404, 3311715606, 4967573409, 6623431212, 9935146818, 19870293636]

約数ペア:

[(1, 19870293636), (2, 9935146818), (3, 6623431212), (4, 4967573409), (6, 3311715606), (9, 2207810404), (12, 1655857803), (18, 1103905202), (36, 551952601), (43, 462099852), (86, 231049926), (97, 204848388), (129, 154033284), (172, 115524963), (194, 102424194), (258, 77016642), (291, 68282796), (387, 51344428), (388, 51212097), (516, 38508321), (582, 34141398), (774, 25672214), (873, 22760932), (1164, 17070699), (1548, 12836107), (1746, 11380466), (3492, 5690233), (4171, 4763916), (8342, 2381958), (12513, 1587972), (16684, 1190979), (25026, 793986), (37539, 529324), (50052, 396993), (75078, 264662), (132331, 150156)]