19749588

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 50182272

約数和(自身を除く): 30432684

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 47, 57, 76, 94, 97, 114, 141, 188, 194, 228, 282, 291, 361, 388, 564, 582, 722, 893, 1083, 1164, 1444, 1786, 1843, 2166, 2679, 3572, 3686, 4332, 4559, 5358, 5529, 7372, 9118, 10716, 11058, 13677, 16967, 18236, 22116, 27354, 33934, 35017, 50901, 54708, 67868, 70034, 86621, 101802, 105051, 140068, 173242, 203604, 210102, 259863, 346484, 420204, 519726, 1039452, 1645799, 3291598, 4937397, 6583196, 9874794, 19749588]

約数ペア:

[(1, 19749588), (2, 9874794), (3, 6583196), (4, 4937397), (6, 3291598), (12, 1645799), (19, 1039452), (38, 519726), (47, 420204), (57, 346484), (76, 259863), (94, 210102), (97, 203604), (114, 173242), (141, 140068), (188, 105051), (194, 101802), (228, 86621), (282, 70034), (291, 67868), (361, 54708), (388, 50901), (564, 35017), (582, 33934), (722, 27354), (893, 22116), (1083, 18236), (1164, 16967), (1444, 13677), (1786, 11058), (1843, 10716), (2166, 9118), (2679, 7372), (3572, 5529), (3686, 5358), (4332, 4559)]