18735045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9391}}^1$

素因数の和:9425

約数の個数: 32

約数和(自身を含む): 36065280

約数和(自身を除く): 17330235

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 9391, 28173, 46955, 65737, 140865, 178429, 197211, 328685, 535287, 892145, 986055, 1249003, 2676435, 3747009, 6245015, 18735045]

約数ペア:

[(1, 18735045), (3, 6245015), (5, 3747009), (7, 2676435), (15, 1249003), (19, 986055), (21, 892145), (35, 535287), (57, 328685), (95, 197211), (105, 178429), (133, 140865), (285, 65737), (399, 46955), (665, 28173), (1995, 9391)]