18487764

素因数分解:

$2^2\times 3^4\times {\mathrm{43}}^1\times {\mathrm{1327}}^1$

素因数の和:1386

約数の個数: 60

約数和(自身を含む): 49491904

約数和(自身を除く): 31004140

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, 1327, 1548, 2322, 2654, 3483, 3981, 4644, 5308, 6966, 7962, 11943, 13932, 15924, 23886, 35829, 47772, 57061, 71658, 107487, 114122, 143316, 171183, 214974, 228244, 342366, 429948, 513549, 684732, 1027098, 1540647, 2054196, 3081294, 4621941, 6162588, 9243882, 18487764]

約数ペア:

[(1, 18487764), (2, 9243882), (3, 6162588), (4, 4621941), (6, 3081294), (9, 2054196), (12, 1540647), (18, 1027098), (27, 684732), (36, 513549), (43, 429948), (54, 342366), (81, 228244), (86, 214974), (108, 171183), (129, 143316), (162, 114122), (172, 107487), (258, 71658), (324, 57061), (387, 47772), (516, 35829), (774, 23886), (1161, 15924), (1327, 13932), (1548, 11943), (2322, 7962), (2654, 6966), (3483, 5308), (3981, 4644)]