19291311

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 33747840

約数和(自身を除く): 14456529

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 53, 61, 117, 153, 159, 183, 221, 351, 459, 477, 549, 663, 689, 793, 901, 1037, 1431, 1647, 1989, 2067, 2379, 2703, 3111, 3233, 5967, 6201, 7137, 8109, 9333, 9699, 11713, 13481, 18603, 21411, 24327, 27999, 29097, 35139, 40443, 42029, 54961, 87291, 105417, 121329, 126087, 164883, 316251, 363987, 378261, 494649, 714493, 1134783, 1483947, 2143479, 6430437, 19291311]

約数ペア:

[(1, 19291311), (3, 6430437), (9, 2143479), (13, 1483947), (17, 1134783), (27, 714493), (39, 494649), (51, 378261), (53, 363987), (61, 316251), (117, 164883), (153, 126087), (159, 121329), (183, 105417), (221, 87291), (351, 54961), (459, 42029), (477, 40443), (549, 35139), (663, 29097), (689, 27999), (793, 24327), (901, 21411), (1037, 18603), (1431, 13481), (1647, 11713), (1989, 9699), (2067, 9333), (2379, 8109), (2703, 7137), (3111, 6201), (3233, 5967)]