18915714

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 44582400

約数和(自身を除く): 25666686

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 47, 54, 58, 87, 94, 141, 174, 257, 261, 282, 423, 514, 522, 771, 783, 846, 1269, 1363, 1542, 1566, 2313, 2538, 2726, 4089, 4626, 6939, 7453, 8178, 12079, 12267, 13878, 14906, 22359, 24158, 24534, 36237, 36801, 44718, 67077, 72474, 73602, 108711, 134154, 201231, 217422, 326133, 350291, 402462, 652266, 700582, 1050873, 2101746, 3152619, 6305238, 9457857, 18915714]

約数ペア:

[(1, 18915714), (2, 9457857), (3, 6305238), (6, 3152619), (9, 2101746), (18, 1050873), (27, 700582), (29, 652266), (47, 402462), (54, 350291), (58, 326133), (87, 217422), (94, 201231), (141, 134154), (174, 108711), (257, 73602), (261, 72474), (282, 67077), (423, 44718), (514, 36801), (522, 36237), (771, 24534), (783, 24158), (846, 22359), (1269, 14906), (1363, 13878), (1542, 12267), (1566, 12079), (2313, 8178), (2538, 7453), (2726, 6939), (4089, 4626)]