18881688

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{673}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 54351360

約数和(自身を除く): 35469672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 167, 168, 334, 501, 668, 673, 1002, 1169, 1336, 1346, 2004, 2019, 2338, 2692, 3507, 4008, 4038, 4676, 4711, 5384, 7014, 8076, 9352, 9422, 14028, 14133, 16152, 18844, 28056, 28266, 37688, 56532, 112391, 113064, 224782, 337173, 449564, 674346, 786737, 899128, 1348692, 1573474, 2360211, 2697384, 3146948, 4720422, 6293896, 9440844, 18881688]

約数ペア:

[(1, 18881688), (2, 9440844), (3, 6293896), (4, 4720422), (6, 3146948), (7, 2697384), (8, 2360211), (12, 1573474), (14, 1348692), (21, 899128), (24, 786737), (28, 674346), (42, 449564), (56, 337173), (84, 224782), (167, 113064), (168, 112391), (334, 56532), (501, 37688), (668, 28266), (673, 28056), (1002, 18844), (1169, 16152), (1336, 14133), (1346, 14028), (2004, 9422), (2019, 9352), (2338, 8076), (2692, 7014), (3507, 5384), (4008, 4711), (4038, 4676)]