19183509

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 28540512

約数和(自身を除く): 9357003

約数列:

[1, 3, 9, 53, 131, 159, 307, 393, 477, 921, 1179, 2763, 6943, 16271, 20829, 40217, 48813, 62487, 120651, 146439, 361953, 2131501, 6394503, 19183509]

約数ペア:

[(1, 19183509), (3, 6394503), (9, 2131501), (53, 361953), (131, 146439), (159, 120651), (307, 62487), (393, 48813), (477, 40217), (921, 20829), (1179, 16271), (2763, 6943)]