19814432

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 42928704

約数和(自身を除く): 23114272

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 181, 311, 352, 362, 622, 724, 1244, 1448, 1991, 2488, 2896, 3421, 3982, 4976, 5792, 6842, 7964, 9952, 13684, 15928, 27368, 31856, 54736, 56291, 63712, 109472, 112582, 225164, 450328, 619201, 900656, 1238402, 1801312, 2476804, 4953608, 9907216, 19814432]

約数ペア:

[(1, 19814432), (2, 9907216), (4, 4953608), (8, 2476804), (11, 1801312), (16, 1238402), (22, 900656), (32, 619201), (44, 450328), (88, 225164), (176, 112582), (181, 109472), (311, 63712), (352, 56291), (362, 54736), (622, 31856), (724, 27368), (1244, 15928), (1448, 13684), (1991, 9952), (2488, 7964), (2896, 6842), (3421, 5792), (3982, 4976)]