18245199

素因数分解:

$3^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:197

約数の個数: 40

約数和(自身を含む): 30250800

約数和(自身を除く): 12005601

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 149, 343, 357, 447, 833, 1029, 1043, 2401, 2499, 2533, 3129, 5831, 7203, 7301, 7599, 17493, 17731, 21903, 40817, 51107, 53193, 122451, 124117, 153321, 357749, 372351, 868819, 1073247, 2606457, 6081733, 18245199]

約数ペア:

[(1, 18245199), (3, 6081733), (7, 2606457), (17, 1073247), (21, 868819), (49, 372351), (51, 357749), (119, 153321), (147, 124117), (149, 122451), (343, 53193), (357, 51107), (447, 40817), (833, 21903), (1029, 17731), (1043, 17493), (2401, 7599), (2499, 7301), (2533, 7203), (3129, 5831)]