18620340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 55351296

約数和(自身を除く): 36730956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 103, 115, 131, 138, 206, 230, 262, 276, 309, 345, 393, 412, 460, 515, 524, 618, 655, 690, 786, 1030, 1236, 1310, 1380, 1545, 1572, 1965, 2060, 2369, 2620, 3013, 3090, 3930, 4738, 6026, 6180, 7107, 7860, 9039, 9476, 11845, 12052, 13493, 14214, 15065, 18078, 23690, 26986, 28428, 30130, 35535, 36156, 40479, 45195, 47380, 53972, 60260, 67465, 71070, 80958, 90390, 134930, 142140, 161916, 180780, 202395, 269860, 310339, 404790, 620678, 809580, 931017, 1241356, 1551695, 1862034, 3103390, 3724068, 4655085, 6206780, 9310170, 18620340]

約数ペア:

[(1, 18620340), (2, 9310170), (3, 6206780), (4, 4655085), (5, 3724068), (6, 3103390), (10, 1862034), (12, 1551695), (15, 1241356), (20, 931017), (23, 809580), (30, 620678), (46, 404790), (60, 310339), (69, 269860), (92, 202395), (103, 180780), (115, 161916), (131, 142140), (138, 134930), (206, 90390), (230, 80958), (262, 71070), (276, 67465), (309, 60260), (345, 53972), (393, 47380), (412, 45195), (460, 40479), (515, 36156), (524, 35535), (618, 30130), (655, 28428), (690, 26986), (786, 23690), (1030, 18078), (1236, 15065), (1310, 14214), (1380, 13493), (1545, 12052), (1572, 11845), (1965, 9476), (2060, 9039), (2369, 7860), (2620, 7107), (3013, 6180), (3090, 6026), (3930, 4738)]