18901168

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{751}}^1$

素因数の和:794

約数の個数: 60

約数和(自身を含む): 43406944

約数和(自身を除く): 24505776

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 121, 143, 176, 208, 242, 286, 484, 572, 751, 968, 1144, 1502, 1573, 1936, 2288, 3004, 3146, 6008, 6292, 8261, 9763, 12016, 12584, 16522, 19526, 25168, 33044, 39052, 66088, 78104, 90871, 107393, 132176, 156208, 181742, 214786, 363484, 429572, 726968, 859144, 1181323, 1453936, 1718288, 2362646, 4725292, 9450584, 18901168]

約数ペア:

[(1, 18901168), (2, 9450584), (4, 4725292), (8, 2362646), (11, 1718288), (13, 1453936), (16, 1181323), (22, 859144), (26, 726968), (44, 429572), (52, 363484), (88, 214786), (104, 181742), (121, 156208), (143, 132176), (176, 107393), (208, 90871), (242, 78104), (286, 66088), (484, 39052), (572, 33044), (751, 25168), (968, 19526), (1144, 16522), (1502, 12584), (1573, 12016), (1936, 9763), (2288, 8261), (3004, 6292), (3146, 6008)]