19972064

素因数分解:

$2^5\times 7^1\times {\mathrm{163}}^1\times {\mathrm{547}}^1$

素因数の和:727

約数の個数: 48

約数和(自身を含む): 45295488

約数和(自身を除く): 25323424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 163, 224, 326, 547, 652, 1094, 1141, 1304, 2188, 2282, 2608, 3829, 4376, 4564, 5216, 7658, 8752, 9128, 15316, 17504, 18256, 30632, 36512, 61264, 89161, 122528, 178322, 356644, 624127, 713288, 1248254, 1426576, 2496508, 2853152, 4993016, 9986032, 19972064]

約数ペア:

[(1, 19972064), (2, 9986032), (4, 4993016), (7, 2853152), (8, 2496508), (14, 1426576), (16, 1248254), (28, 713288), (32, 624127), (56, 356644), (112, 178322), (163, 122528), (224, 89161), (326, 61264), (547, 36512), (652, 30632), (1094, 18256), (1141, 17504), (1304, 15316), (2188, 9128), (2282, 8752), (2608, 7658), (3829, 5216), (4376, 4564)]