18756045

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5413}}^1$

素因数の和:5442

約数の個数: 48

約数和(自身を含む): 40540032

約数和(自身を除く): 21783987

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 5413, 16239, 27065, 37891, 48717, 59543, 81195, 113673, 178629, 189455, 243585, 297715, 341019, 416801, 535887, 568365, 893145, 1250403, 1705095, 2084005, 2679435, 3751209, 6252015, 18756045]

約数ペア:

[(1, 18756045), (3, 6252015), (5, 3751209), (7, 2679435), (9, 2084005), (11, 1705095), (15, 1250403), (21, 893145), (33, 568365), (35, 535887), (45, 416801), (55, 341019), (63, 297715), (77, 243585), (99, 189455), (105, 178629), (165, 113673), (231, 81195), (315, 59543), (385, 48717), (495, 37891), (693, 27065), (1155, 16239), (3465, 5413)]