18332860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1439}}^1$

素因数の和:1475

約数の個数: 72

約数和(自身を含む): 48263040

約数和(自身を除く): 29930180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1439, 1820, 2548, 2878, 3185, 5756, 6370, 7195, 10073, 12740, 14390, 18707, 20146, 28780, 37414, 40292, 50365, 70511, 74828, 93535, 100730, 130949, 141022, 187070, 201460, 261898, 282044, 352555, 374140, 523796, 654745, 705110, 916643, 1309490, 1410220, 1833286, 2618980, 3666572, 4583215, 9166430, 18332860]

約数ペア:

[(1, 18332860), (2, 9166430), (4, 4583215), (5, 3666572), (7, 2618980), (10, 1833286), (13, 1410220), (14, 1309490), (20, 916643), (26, 705110), (28, 654745), (35, 523796), (49, 374140), (52, 352555), (65, 282044), (70, 261898), (91, 201460), (98, 187070), (130, 141022), (140, 130949), (182, 100730), (196, 93535), (245, 74828), (260, 70511), (364, 50365), (455, 40292), (490, 37414), (637, 28780), (910, 20146), (980, 18707), (1274, 14390), (1439, 12740), (1820, 10073), (2548, 7195), (2878, 6370), (3185, 5756)]