18764415

素因数分解:

$3^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{829}}^1$

素因数の和:1343

約数の個数: 24

約数和(自身を含む): 32628960

約数和(自身を除く): 13864545

約数列:

[1, 3, 5, 9, 15, 45, 503, 829, 1509, 2487, 2515, 4145, 4527, 7461, 7545, 12435, 22635, 37305, 416987, 1250961, 2084935, 3752883, 6254805, 18764415]

約数ペア:

[(1, 18764415), (3, 6254805), (5, 3752883), (9, 2084935), (15, 1250961), (45, 416987), (503, 37305), (829, 22635), (1509, 12435), (2487, 7545), (2515, 7461), (4145, 4527)]