19984452

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{601}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 49758912

約数和(自身を除く): 29774460

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 163, 204, 326, 489, 601, 652, 978, 1202, 1803, 1956, 2404, 2771, 3606, 5542, 7212, 8313, 10217, 11084, 16626, 20434, 30651, 33252, 40868, 61302, 97963, 122604, 195926, 293889, 391852, 587778, 1175556, 1665371, 3330742, 4996113, 6661484, 9992226, 19984452]

約数ペア:

[(1, 19984452), (2, 9992226), (3, 6661484), (4, 4996113), (6, 3330742), (12, 1665371), (17, 1175556), (34, 587778), (51, 391852), (68, 293889), (102, 195926), (163, 122604), (204, 97963), (326, 61302), (489, 40868), (601, 33252), (652, 30651), (978, 20434), (1202, 16626), (1803, 11084), (1956, 10217), (2404, 8313), (2771, 7212), (3606, 5542)]