12819908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 25025280

約数和(自身を除く): 12205372

約数列:

[1, 2, 4, 19, 37, 38, 47, 74, 76, 94, 97, 148, 188, 194, 388, 703, 893, 1406, 1739, 1786, 1843, 2812, 3478, 3572, 3589, 3686, 4559, 6956, 7178, 7372, 9118, 14356, 18236, 33041, 66082, 68191, 86621, 132164, 136382, 168683, 173242, 272764, 337366, 346484, 674732, 3204977, 6409954, 12819908]

約数ペア:

[(1, 12819908), (2, 6409954), (4, 3204977), (19, 674732), (37, 346484), (38, 337366), (47, 272764), (74, 173242), (76, 168683), (94, 136382), (97, 132164), (148, 86621), (188, 68191), (194, 66082), (388, 33041), (703, 18236), (893, 14356), (1406, 9118), (1739, 7372), (1786, 7178), (1843, 6956), (2812, 4559), (3478, 3686), (3572, 3589)]