19479564

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 53660880

約数和(自身を除く): 34181316

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 107, 117, 156, 214, 234, 321, 389, 428, 468, 642, 778, 963, 1167, 1284, 1391, 1556, 1926, 2334, 2782, 3501, 3852, 4173, 4668, 5057, 5564, 7002, 8346, 10114, 12519, 14004, 15171, 16692, 20228, 25038, 30342, 41623, 45513, 50076, 60684, 83246, 91026, 124869, 166492, 182052, 249738, 374607, 499476, 541099, 749214, 1082198, 1498428, 1623297, 2164396, 3246594, 4869891, 6493188, 9739782, 19479564]

約数ペア:

[(1, 19479564), (2, 9739782), (3, 6493188), (4, 4869891), (6, 3246594), (9, 2164396), (12, 1623297), (13, 1498428), (18, 1082198), (26, 749214), (36, 541099), (39, 499476), (52, 374607), (78, 249738), (107, 182052), (117, 166492), (156, 124869), (214, 91026), (234, 83246), (321, 60684), (389, 50076), (428, 45513), (468, 41623), (642, 30342), (778, 25038), (963, 20228), (1167, 16692), (1284, 15171), (1391, 14004), (1556, 12519), (1926, 10114), (2334, 8346), (2782, 7002), (3501, 5564), (3852, 5057), (4173, 4668)]