18229835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 25704000

約数和(自身を除く): 7474165

約数列:

[1, 5, 13, 19, 29, 65, 95, 145, 247, 377, 509, 551, 1235, 1885, 2545, 2755, 6617, 7163, 9671, 14761, 33085, 35815, 48355, 73805, 125723, 191893, 280459, 628615, 959465, 1402295, 3645967, 18229835]

約数ペア:

[(1, 18229835), (5, 3645967), (13, 1402295), (19, 959465), (29, 628615), (65, 280459), (95, 191893), (145, 125723), (247, 73805), (377, 48355), (509, 35815), (551, 33085), (1235, 14761), (1885, 9671), (2545, 7163), (2755, 6617)]