19281564

素因数分解:

$2^2\times 3^5\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 51367680

約数和(自身を除く): 32086116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 83, 108, 162, 166, 239, 243, 249, 324, 332, 478, 486, 498, 717, 747, 956, 972, 996, 1434, 1494, 2151, 2241, 2868, 2988, 4302, 4482, 6453, 6723, 8604, 8964, 12906, 13446, 19359, 19837, 20169, 25812, 26892, 38718, 39674, 40338, 58077, 59511, 77436, 79348, 80676, 116154, 119022, 178533, 232308, 238044, 357066, 535599, 714132, 1071198, 1606797, 2142396, 3213594, 4820391, 6427188, 9640782, 19281564]

約数ペア:

[(1, 19281564), (2, 9640782), (3, 6427188), (4, 4820391), (6, 3213594), (9, 2142396), (12, 1606797), (18, 1071198), (27, 714132), (36, 535599), (54, 357066), (81, 238044), (83, 232308), (108, 178533), (162, 119022), (166, 116154), (239, 80676), (243, 79348), (249, 77436), (324, 59511), (332, 58077), (478, 40338), (486, 39674), (498, 38718), (717, 26892), (747, 25812), (956, 20169), (972, 19837), (996, 19359), (1434, 13446), (1494, 12906), (2151, 8964), (2241, 8604), (2868, 6723), (2988, 6453), (4302, 4482)]