19362987

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^2\times {\mathrm{83}}^1$

素因数の和:149

約数の個数: 54

約数和(自身を含む): 34420932

約数和(自身を除く): 15057945

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 83, 147, 161, 207, 249, 441, 483, 529, 581, 747, 1127, 1449, 1587, 1743, 1909, 3381, 3703, 4067, 4761, 5229, 5727, 10143, 11109, 12201, 13363, 17181, 25921, 33327, 36603, 40089, 43907, 77763, 93541, 120267, 131721, 233289, 280623, 307349, 395163, 841869, 922047, 2151443, 2766141, 6454329, 19362987]

約数ペア:

[(1, 19362987), (3, 6454329), (7, 2766141), (9, 2151443), (21, 922047), (23, 841869), (49, 395163), (63, 307349), (69, 280623), (83, 233289), (147, 131721), (161, 120267), (207, 93541), (249, 77763), (441, 43907), (483, 40089), (529, 36603), (581, 33327), (747, 25921), (1127, 17181), (1449, 13363), (1587, 12201), (1743, 11109), (1909, 10143), (3381, 5727), (3703, 5229), (4067, 4761)]