19391852

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 37340352

約数和(自身を除く): 17948500

約数列:

[1, 2, 4, 23, 41, 46, 53, 82, 92, 97, 106, 164, 194, 212, 388, 943, 1219, 1886, 2173, 2231, 2438, 3772, 3977, 4346, 4462, 4876, 5141, 7954, 8692, 8924, 10282, 15908, 20564, 49979, 91471, 99958, 118243, 182942, 199916, 210781, 236486, 365884, 421562, 472972, 843124, 4847963, 9695926, 19391852]

約数ペア:

[(1, 19391852), (2, 9695926), (4, 4847963), (23, 843124), (41, 472972), (46, 421562), (53, 365884), (82, 236486), (92, 210781), (97, 199916), (106, 182942), (164, 118243), (194, 99958), (212, 91471), (388, 49979), (943, 20564), (1219, 15908), (1886, 10282), (2173, 8924), (2231, 8692), (2438, 7954), (3772, 5141), (3977, 4876), (4346, 4462)]