18009992

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{173}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 45852480

約数和(自身を除く): 27842488

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 169, 173, 182, 286, 308, 338, 346, 364, 572, 616, 676, 692, 728, 1001, 1144, 1183, 1211, 1352, 1384, 1859, 1903, 2002, 2249, 2366, 2422, 3718, 3806, 4004, 4498, 4732, 4844, 7436, 7612, 8008, 8996, 9464, 9688, 13013, 13321, 14872, 15224, 15743, 17992, 24739, 26026, 26642, 29237, 31486, 49478, 52052, 53284, 58474, 62972, 98956, 104104, 106568, 116948, 125944, 173173, 197912, 204659, 233896, 321607, 346346, 409318, 643214, 692692, 818636, 1286428, 1385384, 1637272, 2251249, 2572856, 4502498, 9004996, 18009992]

約数ペア:

[(1, 18009992), (2, 9004996), (4, 4502498), (7, 2572856), (8, 2251249), (11, 1637272), (13, 1385384), (14, 1286428), (22, 818636), (26, 692692), (28, 643214), (44, 409318), (52, 346346), (56, 321607), (77, 233896), (88, 204659), (91, 197912), (104, 173173), (143, 125944), (154, 116948), (169, 106568), (173, 104104), (182, 98956), (286, 62972), (308, 58474), (338, 53284), (346, 52052), (364, 49478), (572, 31486), (616, 29237), (676, 26642), (692, 26026), (728, 24739), (1001, 17992), (1144, 15743), (1183, 15224), (1211, 14872), (1352, 13321), (1384, 13013), (1859, 9688), (1903, 9464), (2002, 8996), (2249, 8008), (2366, 7612), (2422, 7436), (3718, 4844), (3806, 4732), (4004, 4498)]