18129672

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{2081}}^1$

素因数の和:2115

約数の個数: 72

約数和(自身を含む): 53996670

約数和(自身を除く): 35866998

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 121, 132, 198, 242, 264, 363, 396, 484, 726, 792, 968, 1089, 1452, 2081, 2178, 2904, 4162, 4356, 6243, 8324, 8712, 12486, 16648, 18729, 22891, 24972, 37458, 45782, 49944, 68673, 74916, 91564, 137346, 149832, 183128, 206019, 251801, 274692, 412038, 503602, 549384, 755403, 824076, 1007204, 1510806, 1648152, 2014408, 2266209, 3021612, 4532418, 6043224, 9064836, 18129672]

約数ペア:

[(1, 18129672), (2, 9064836), (3, 6043224), (4, 4532418), (6, 3021612), (8, 2266209), (9, 2014408), (11, 1648152), (12, 1510806), (18, 1007204), (22, 824076), (24, 755403), (33, 549384), (36, 503602), (44, 412038), (66, 274692), (72, 251801), (88, 206019), (99, 183128), (121, 149832), (132, 137346), (198, 91564), (242, 74916), (264, 68673), (363, 49944), (396, 45782), (484, 37458), (726, 24972), (792, 22891), (968, 18729), (1089, 16648), (1452, 12486), (2081, 8712), (2178, 8324), (2904, 6243), (4162, 4356)]