18037845

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 36047232

約数和(自身を除く): 18009387

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 173, 315, 331, 519, 865, 993, 1211, 1557, 1655, 2317, 2595, 2979, 3633, 4965, 6055, 6951, 7785, 10899, 11585, 14895, 18165, 20853, 34755, 54495, 57263, 104265, 171789, 286315, 400841, 515367, 858945, 1202523, 2004205, 2576835, 3607569, 6012615, 18037845]

約数ペア:

[(1, 18037845), (3, 6012615), (5, 3607569), (7, 2576835), (9, 2004205), (15, 1202523), (21, 858945), (35, 515367), (45, 400841), (63, 286315), (105, 171789), (173, 104265), (315, 57263), (331, 54495), (519, 34755), (865, 20853), (993, 18165), (1211, 14895), (1557, 11585), (1655, 10899), (2317, 7785), (2595, 6951), (2979, 6055), (3633, 4965)]