18501473079

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{23879}}^1$

素因数の和:24124

約数の個数: 48

約数和(自身を含む): 29504217600

約数和(自身を除く): 11002744521

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 197, 207, 437, 591, 1311, 1773, 3743, 3933, 4531, 11229, 13593, 23879, 33687, 40779, 71637, 86089, 214911, 258267, 453701, 549217, 774801, 1361103, 1647651, 4083309, 4704163, 4942953, 10435123, 14112489, 31305369, 42337467, 89379097, 93916107, 108195749, 268137291, 324587247, 804411873, 973761741, 2055719231, 6167157693, 18501473079]

約数ペア:

[(1, 18501473079), (3, 6167157693), (9, 2055719231), (19, 973761741), (23, 804411873), (57, 324587247), (69, 268137291), (171, 108195749), (197, 93916107), (207, 89379097), (437, 42337467), (591, 31305369), (1311, 14112489), (1773, 10435123), (3743, 4942953), (3933, 4704163), (4531, 4083309), (11229, 1647651), (13593, 1361103), (23879, 774801), (33687, 549217), (40779, 453701), (71637, 258267), (86089, 214911)]