19999224

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{4409}}^1$

素因数の和:4434

約数の個数: 80

約数和(自身を含む): 64033200

約数和(自身を除く): 44033976

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 504, 567, 648, 756, 1134, 1512, 2268, 4409, 4536, 8818, 13227, 17636, 26454, 30863, 35272, 39681, 52908, 61726, 79362, 92589, 105816, 119043, 123452, 158724, 185178, 238086, 246904, 277767, 317448, 357129, 370356, 476172, 555534, 714258, 740712, 833301, 952344, 1111068, 1428516, 1666602, 2222136, 2499903, 2857032, 3333204, 4999806, 6666408, 9999612, 19999224]

約数ペア:

[(1, 19999224), (2, 9999612), (3, 6666408), (4, 4999806), (6, 3333204), (7, 2857032), (8, 2499903), (9, 2222136), (12, 1666602), (14, 1428516), (18, 1111068), (21, 952344), (24, 833301), (27, 740712), (28, 714258), (36, 555534), (42, 476172), (54, 370356), (56, 357129), (63, 317448), (72, 277767), (81, 246904), (84, 238086), (108, 185178), (126, 158724), (162, 123452), (168, 119043), (189, 105816), (216, 92589), (252, 79362), (324, 61726), (378, 52908), (504, 39681), (567, 35272), (648, 30863), (756, 26454), (1134, 17636), (1512, 13227), (2268, 8818), (4409, 4536)]