19309185

素因数分解:

$3^4\times 5^1\times 7^3\times {\mathrm{139}}^1$

素因数の和:177

約数の個数: 80

約数和(自身を含む): 40656000

約数和(自身を除く): 21346815

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 139, 147, 189, 245, 315, 343, 405, 417, 441, 567, 695, 735, 945, 973, 1029, 1251, 1323, 1715, 2085, 2205, 2835, 2919, 3087, 3753, 3969, 4865, 5145, 6255, 6615, 6811, 8757, 9261, 11259, 14595, 15435, 18765, 19845, 20433, 26271, 27783, 34055, 43785, 46305, 47677, 56295, 61299, 78813, 102165, 131355, 138915, 143031, 183897, 238385, 306495, 394065, 429093, 551691, 715155, 919485, 1287279, 2145465, 2758455, 3861837, 6436395, 19309185]

約数ペア:

[(1, 19309185), (3, 6436395), (5, 3861837), (7, 2758455), (9, 2145465), (15, 1287279), (21, 919485), (27, 715155), (35, 551691), (45, 429093), (49, 394065), (63, 306495), (81, 238385), (105, 183897), (135, 143031), (139, 138915), (147, 131355), (189, 102165), (245, 78813), (315, 61299), (343, 56295), (405, 47677), (417, 46305), (441, 43785), (567, 34055), (695, 27783), (735, 26271), (945, 20433), (973, 19845), (1029, 18765), (1251, 15435), (1323, 14595), (1715, 11259), (2085, 9261), (2205, 8757), (2835, 6811), (2919, 6615), (3087, 6255), (3753, 5145), (3969, 4865)]