18704420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:333

約数の個数: 96

約数和(自身を含む): 49351680

約数和(自身を除く): 30647260

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 29, 34, 35, 58, 68, 70, 85, 116, 119, 140, 145, 170, 203, 238, 271, 290, 340, 406, 476, 493, 542, 580, 595, 812, 986, 1015, 1084, 1190, 1355, 1897, 1972, 2030, 2380, 2465, 2710, 3451, 3794, 4060, 4607, 4930, 5420, 6902, 7588, 7859, 9214, 9485, 9860, 13804, 15718, 17255, 18428, 18970, 23035, 31436, 32249, 34510, 37940, 39295, 46070, 55013, 64498, 69020, 78590, 92140, 110026, 128996, 133603, 157180, 161245, 220052, 267206, 275065, 322490, 534412, 550130, 644980, 668015, 935221, 1100260, 1336030, 1870442, 2672060, 3740884, 4676105, 9352210, 18704420]

約数ペア:

[(1, 18704420), (2, 9352210), (4, 4676105), (5, 3740884), (7, 2672060), (10, 1870442), (14, 1336030), (17, 1100260), (20, 935221), (28, 668015), (29, 644980), (34, 550130), (35, 534412), (58, 322490), (68, 275065), (70, 267206), (85, 220052), (116, 161245), (119, 157180), (140, 133603), (145, 128996), (170, 110026), (203, 92140), (238, 78590), (271, 69020), (290, 64498), (340, 55013), (406, 46070), (476, 39295), (493, 37940), (542, 34510), (580, 32249), (595, 31436), (812, 23035), (986, 18970), (1015, 18428), (1084, 17255), (1190, 15718), (1355, 13804), (1897, 9860), (1972, 9485), (2030, 9214), (2380, 7859), (2465, 7588), (2710, 6902), (3451, 5420), (3794, 4930), (4060, 4607)]