18934804917

素因数分解:

$3^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{508549}}^1$

素因数の和:508762

約数の個数: 32

約数和(自身を含む): 32221728000

約数和(自身を除く): 13286923083

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 197, 591, 1379, 1773, 4137, 5319, 12411, 37233, 508549, 1525647, 3559843, 4576941, 10679529, 13730823, 32038587, 96115761, 100184153, 300552459, 701289071, 901657377, 2103867213, 2704972131, 6311601639, 18934804917]

約数ペア:

[(1, 18934804917), (3, 6311601639), (7, 2704972131), (9, 2103867213), (21, 901657377), (27, 701289071), (63, 300552459), (189, 100184153), (197, 96115761), (591, 32038587), (1379, 13730823), (1773, 10679529), (4137, 4576941), (5319, 3559843), (12411, 1525647), (37233, 508549)]