18414340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1277}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 44658432

約数和(自身を除く): 26244092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1277, 1442, 2060, 2554, 2884, 3605, 5108, 6385, 7210, 8939, 12770, 14420, 17878, 25540, 35756, 44695, 89390, 131531, 178780, 263062, 526124, 657655, 920717, 1315310, 1841434, 2630620, 3682868, 4603585, 9207170, 18414340]

約数ペア:

[(1, 18414340), (2, 9207170), (4, 4603585), (5, 3682868), (7, 2630620), (10, 1841434), (14, 1315310), (20, 920717), (28, 657655), (35, 526124), (70, 263062), (103, 178780), (140, 131531), (206, 89390), (412, 44695), (515, 35756), (721, 25540), (1030, 17878), (1277, 14420), (1442, 12770), (2060, 8939), (2554, 7210), (2884, 6385), (3605, 5108)]