18535797

素因数分解:

$3^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 33651072

約数和(自身を除く): 15115275

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 243, 357, 459, 567, 641, 1071, 1377, 1701, 1923, 3213, 4131, 4487, 5769, 9639, 10897, 13461, 17307, 28917, 32691, 40383, 51921, 76279, 98073, 121149, 155763, 228837, 294219, 363447, 686511, 882657, 1090341, 2059533, 2647971, 6178599, 18535797]

約数ペア:

[(1, 18535797), (3, 6178599), (7, 2647971), (9, 2059533), (17, 1090341), (21, 882657), (27, 686511), (51, 363447), (63, 294219), (81, 228837), (119, 155763), (153, 121149), (189, 98073), (243, 76279), (357, 51921), (459, 40383), (567, 32691), (641, 28917), (1071, 17307), (1377, 13461), (1701, 10897), (1923, 9639), (3213, 5769), (4131, 4487)]