19598868

素因数分解:

$2^2\times 3^3\times {\mathrm{89}}^1\times {\mathrm{2039}}^1$

素因数の和:2141

約数の個数: 48

約数和(自身を含む): 51408000

約数和(自身を除く): 31809132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 89, 108, 178, 267, 356, 534, 801, 1068, 1602, 2039, 2403, 3204, 4078, 4806, 6117, 8156, 9612, 12234, 18351, 24468, 36702, 55053, 73404, 110106, 181471, 220212, 362942, 544413, 725884, 1088826, 1633239, 2177652, 3266478, 4899717, 6532956, 9799434, 19598868]

約数ペア:

[(1, 19598868), (2, 9799434), (3, 6532956), (4, 4899717), (6, 3266478), (9, 2177652), (12, 1633239), (18, 1088826), (27, 725884), (36, 544413), (54, 362942), (89, 220212), (108, 181471), (178, 110106), (267, 73404), (356, 55053), (534, 36702), (801, 24468), (1068, 18351), (1602, 12234), (2039, 9612), (2403, 8156), (3204, 6117), (4078, 4806)]