18517785

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 35562240

約数和(自身を除く): 17044455

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 89, 97, 143, 165, 195, 267, 291, 429, 445, 485, 715, 979, 1067, 1157, 1261, 1335, 1455, 2145, 2937, 3201, 3471, 3783, 4895, 5335, 5785, 6305, 8633, 12727, 13871, 14685, 16005, 17355, 18915, 25899, 38181, 41613, 43165, 63635, 69355, 94963, 112229, 129495, 190905, 208065, 284889, 336687, 474815, 561145, 1234519, 1424445, 1683435, 3703557, 6172595, 18517785]

約数ペア:

[(1, 18517785), (3, 6172595), (5, 3703557), (11, 1683435), (13, 1424445), (15, 1234519), (33, 561145), (39, 474815), (55, 336687), (65, 284889), (89, 208065), (97, 190905), (143, 129495), (165, 112229), (195, 94963), (267, 69355), (291, 63635), (429, 43165), (445, 41613), (485, 38181), (715, 25899), (979, 18915), (1067, 17355), (1157, 16005), (1261, 14685), (1335, 13871), (1455, 12727), (2145, 8633), (2937, 6305), (3201, 5785), (3471, 5335), (3783, 4895)]