19542397788

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{1373}}^1\times {\mathrm{20809}}^1$

素因数の和:22211

約数の個数: 72

約数和(自身を含む): 52039150800

約数和(自身を除く): 32496753012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 1373, 2746, 4119, 5492, 8238, 12357, 16476, 20809, 24714, 26087, 41618, 49428, 52174, 62427, 78261, 83236, 104348, 124854, 156522, 187281, 234783, 249708, 313044, 374562, 395371, 469566, 749124, 790742, 939132, 1186113, 1581484, 2372226, 3558339, 4744452, 7116678, 14233356, 28570757, 57141514, 85712271, 114283028, 171424542, 257136813, 342849084, 514273626, 542844383, 1028547252, 1085688766, 1628533149, 2171377532, 3257066298, 4885599447, 6514132596, 9771198894, 19542397788]

約数ペア:

[(1, 19542397788), (2, 9771198894), (3, 6514132596), (4, 4885599447), (6, 3257066298), (9, 2171377532), (12, 1628533149), (18, 1085688766), (19, 1028547252), (36, 542844383), (38, 514273626), (57, 342849084), (76, 257136813), (114, 171424542), (171, 114283028), (228, 85712271), (342, 57141514), (684, 28570757), (1373, 14233356), (2746, 7116678), (4119, 4744452), (5492, 3558339), (8238, 2372226), (12357, 1581484), (16476, 1186113), (20809, 939132), (24714, 790742), (26087, 749124), (41618, 469566), (49428, 395371), (52174, 374562), (62427, 313044), (78261, 249708), (83236, 234783), (104348, 187281), (124854, 156522)]