18668556

素因数分解:

$2^2\times 3^4\times {\mathrm{157}}^1\times {\mathrm{367}}^1$

素因数の和:540

約数の個数: 60

約数和(自身を含む): 49247968

約数和(自身を除く): 30579412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 157, 162, 314, 324, 367, 471, 628, 734, 942, 1101, 1413, 1468, 1884, 2202, 2826, 3303, 4239, 4404, 5652, 6606, 8478, 9909, 12717, 13212, 16956, 19818, 25434, 29727, 39636, 50868, 57619, 59454, 115238, 118908, 172857, 230476, 345714, 518571, 691428, 1037142, 1555713, 2074284, 3111426, 4667139, 6222852, 9334278, 18668556]

約数ペア:

[(1, 18668556), (2, 9334278), (3, 6222852), (4, 4667139), (6, 3111426), (9, 2074284), (12, 1555713), (18, 1037142), (27, 691428), (36, 518571), (54, 345714), (81, 230476), (108, 172857), (157, 118908), (162, 115238), (314, 59454), (324, 57619), (367, 50868), (471, 39636), (628, 29727), (734, 25434), (942, 19818), (1101, 16956), (1413, 13212), (1468, 12717), (1884, 9909), (2202, 8478), (2826, 6606), (3303, 5652), (4239, 4404)]