19601428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2767}}^1$

素因数の和:2812

約数の個数: 48

約数和(自身を含む): 44642304

約数和(自身を除く): 25040876

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 2767, 3542, 5534, 7084, 11068, 19369, 30437, 38738, 60874, 63641, 77476, 121748, 127282, 213059, 254564, 426118, 445487, 700051, 852236, 890974, 1400102, 1781948, 2800204, 4900357, 9800714, 19601428]

約数ペア:

[(1, 19601428), (2, 9800714), (4, 4900357), (7, 2800204), (11, 1781948), (14, 1400102), (22, 890974), (23, 852236), (28, 700051), (44, 445487), (46, 426118), (77, 254564), (92, 213059), (154, 127282), (161, 121748), (253, 77476), (308, 63641), (322, 60874), (506, 38738), (644, 30437), (1012, 19369), (1771, 11068), (2767, 7084), (3542, 5534)]