18786348

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{587}}^1$

素因数の和:731

約数の個数: 72

約数和(自身を含む): 54792192

約数和(自身を除く): 36005844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 127, 252, 254, 381, 508, 587, 762, 889, 1143, 1174, 1524, 1761, 1778, 2286, 2348, 2667, 3522, 3556, 4109, 4572, 5283, 5334, 7044, 8001, 8218, 10566, 10668, 12327, 16002, 16436, 21132, 24654, 32004, 36981, 49308, 73962, 74549, 147924, 149098, 223647, 298196, 447294, 521843, 670941, 894588, 1043686, 1341882, 1565529, 2087372, 2683764, 3131058, 4696587, 6262116, 9393174, 18786348]

約数ペア:

[(1, 18786348), (2, 9393174), (3, 6262116), (4, 4696587), (6, 3131058), (7, 2683764), (9, 2087372), (12, 1565529), (14, 1341882), (18, 1043686), (21, 894588), (28, 670941), (36, 521843), (42, 447294), (63, 298196), (84, 223647), (126, 149098), (127, 147924), (252, 74549), (254, 73962), (381, 49308), (508, 36981), (587, 32004), (762, 24654), (889, 21132), (1143, 16436), (1174, 16002), (1524, 12327), (1761, 10668), (1778, 10566), (2286, 8218), (2348, 8001), (2667, 7044), (3522, 5334), (3556, 5283), (4109, 4572)]