18491265

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 35070672

約数和(自身を除く): 16579407

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 73, 117, 195, 219, 365, 433, 585, 657, 949, 1095, 1299, 2165, 2847, 3285, 3897, 4745, 5629, 6495, 8541, 14235, 16887, 19485, 28145, 31609, 42705, 50661, 84435, 94827, 158045, 253305, 284481, 410917, 474135, 1232751, 1422405, 2054585, 3698253, 6163755, 18491265]

約数ペア:

[(1, 18491265), (3, 6163755), (5, 3698253), (9, 2054585), (13, 1422405), (15, 1232751), (39, 474135), (45, 410917), (65, 284481), (73, 253305), (117, 158045), (195, 94827), (219, 84435), (365, 50661), (433, 42705), (585, 31609), (657, 28145), (949, 19485), (1095, 16887), (1299, 14235), (2165, 8541), (2847, 6495), (3285, 5629), (3897, 4745)]