19845735

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:133

約数の個数: 96

約数和(自身を含む): 41674752

約数和(自身を除く): 21829017

約数列:

[1, 3, 5, 7, 13, 15, 21, 31, 35, 39, 49, 65, 67, 91, 93, 105, 147, 155, 195, 201, 217, 245, 273, 335, 403, 455, 465, 469, 637, 651, 735, 871, 1005, 1085, 1209, 1365, 1407, 1519, 1911, 2015, 2077, 2345, 2613, 2821, 3185, 3255, 3283, 4355, 4557, 6045, 6097, 6231, 7035, 7595, 8463, 9555, 9849, 10385, 13065, 14105, 14539, 16415, 18291, 19747, 22785, 27001, 30485, 31155, 42315, 42679, 43617, 49245, 59241, 72695, 81003, 91455, 98735, 101773, 128037, 135005, 189007, 213395, 218085, 296205, 305319, 405015, 508865, 567021, 640185, 945035, 1323049, 1526595, 2835105, 3969147, 6615245, 19845735]

約数ペア:

[(1, 19845735), (3, 6615245), (5, 3969147), (7, 2835105), (13, 1526595), (15, 1323049), (21, 945035), (31, 640185), (35, 567021), (39, 508865), (49, 405015), (65, 305319), (67, 296205), (91, 218085), (93, 213395), (105, 189007), (147, 135005), (155, 128037), (195, 101773), (201, 98735), (217, 91455), (245, 81003), (273, 72695), (335, 59241), (403, 49245), (455, 43617), (465, 42679), (469, 42315), (637, 31155), (651, 30485), (735, 27001), (871, 22785), (1005, 19747), (1085, 18291), (1209, 16415), (1365, 14539), (1407, 14105), (1519, 13065), (1911, 10385), (2015, 9849), (2077, 9555), (2345, 8463), (2613, 7595), (2821, 7035), (3185, 6231), (3255, 6097), (3283, 6045), (4355, 4557)]