19677996

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2213}}^1$

素因数の和:2255

約数の個数: 72

約数和(自身を含む): 56412720

約数和(自身を除く): 36734724

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2213, 2223, 2964, 4426, 4446, 6639, 8852, 8892, 13278, 19917, 26556, 28769, 39834, 42047, 57538, 79668, 84094, 86307, 115076, 126141, 168188, 172614, 252282, 258921, 345228, 378423, 504564, 517842, 546611, 756846, 1035684, 1093222, 1513692, 1639833, 2186444, 3279666, 4919499, 6559332, 9838998, 19677996]

約数ペア:

[(1, 19677996), (2, 9838998), (3, 6559332), (4, 4919499), (6, 3279666), (9, 2186444), (12, 1639833), (13, 1513692), (18, 1093222), (19, 1035684), (26, 756846), (36, 546611), (38, 517842), (39, 504564), (52, 378423), (57, 345228), (76, 258921), (78, 252282), (114, 172614), (117, 168188), (156, 126141), (171, 115076), (228, 86307), (234, 84094), (247, 79668), (342, 57538), (468, 42047), (494, 39834), (684, 28769), (741, 26556), (988, 19917), (1482, 13278), (2213, 8892), (2223, 8852), (2964, 6639), (4426, 4446)]