18772715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 26248320

約数和(自身を除く): 7475605

約数列:

[1, 5, 13, 23, 29, 65, 115, 145, 299, 377, 433, 667, 1495, 1885, 2165, 3335, 5629, 8671, 9959, 12557, 28145, 43355, 49795, 62785, 129467, 163241, 288811, 647335, 816205, 1444055, 3754543, 18772715]

約数ペア:

[(1, 18772715), (5, 3754543), (13, 1444055), (23, 816205), (29, 647335), (65, 288811), (115, 163241), (145, 129467), (299, 62785), (377, 49795), (433, 43355), (667, 28145), (1495, 12557), (1885, 9959), (2165, 8671), (3335, 5629)]