19510218

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 53429376

約数和(自身を除く): 33919158

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 43, 63, 78, 86, 91, 117, 126, 129, 182, 234, 258, 273, 277, 301, 387, 546, 554, 559, 602, 774, 819, 831, 903, 1118, 1638, 1662, 1677, 1806, 1939, 2493, 2709, 3354, 3601, 3878, 3913, 4986, 5031, 5418, 5817, 7202, 7826, 10062, 10803, 11634, 11739, 11911, 17451, 21606, 23478, 23822, 25207, 32409, 34902, 35217, 35733, 50414, 64818, 70434, 71466, 75621, 83377, 107199, 151242, 154843, 166754, 214398, 226863, 250131, 309686, 453726, 464529, 500262, 750393, 929058, 1083901, 1393587, 1500786, 2167802, 2787174, 3251703, 6503406, 9755109, 19510218]

約数ペア:

[(1, 19510218), (2, 9755109), (3, 6503406), (6, 3251703), (7, 2787174), (9, 2167802), (13, 1500786), (14, 1393587), (18, 1083901), (21, 929058), (26, 750393), (39, 500262), (42, 464529), (43, 453726), (63, 309686), (78, 250131), (86, 226863), (91, 214398), (117, 166754), (126, 154843), (129, 151242), (182, 107199), (234, 83377), (258, 75621), (273, 71466), (277, 70434), (301, 64818), (387, 50414), (546, 35733), (554, 35217), (559, 34902), (602, 32409), (774, 25207), (819, 23822), (831, 23478), (903, 21606), (1118, 17451), (1638, 11911), (1662, 11739), (1677, 11634), (1806, 10803), (1939, 10062), (2493, 7826), (2709, 7202), (3354, 5817), (3601, 5418), (3878, 5031), (3913, 4986)]