18199486

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^2$

素因数の和:133

約数の個数: 36

約数和(自身を含む): 31100328

約数和(自身を除く): 12900842

約数列:

[1, 2, 17, 23, 34, 37, 46, 74, 289, 391, 578, 629, 782, 851, 1258, 1369, 1702, 2738, 6647, 10693, 13294, 14467, 21386, 23273, 28934, 31487, 46546, 62974, 245939, 395641, 491878, 535279, 791282, 1070558, 9099743, 18199486]

約数ペア:

[(1, 18199486), (2, 9099743), (17, 1070558), (23, 791282), (34, 535279), (37, 491878), (46, 395641), (74, 245939), (289, 62974), (391, 46546), (578, 31487), (629, 28934), (782, 23273), (851, 21386), (1258, 14467), (1369, 13294), (1702, 10693), (2738, 6647)]