19626138

素因数分解:

$2^1\times 3^7\times 7^1\times {\mathrm{641}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 50538240

約数和(自身を除く): 30912102

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 641, 729, 1134, 1282, 1458, 1701, 1923, 2187, 3402, 3846, 4374, 4487, 5103, 5769, 8974, 10206, 11538, 13461, 15309, 17307, 26922, 30618, 34614, 40383, 51921, 80766, 103842, 121149, 155763, 242298, 311526, 363447, 467289, 726894, 934578, 1090341, 1401867, 2180682, 2803734, 3271023, 6542046, 9813069, 19626138]

約数ペア:

[(1, 19626138), (2, 9813069), (3, 6542046), (6, 3271023), (7, 2803734), (9, 2180682), (14, 1401867), (18, 1090341), (21, 934578), (27, 726894), (42, 467289), (54, 363447), (63, 311526), (81, 242298), (126, 155763), (162, 121149), (189, 103842), (243, 80766), (378, 51921), (486, 40383), (567, 34614), (641, 30618), (729, 26922), (1134, 17307), (1282, 15309), (1458, 13461), (1701, 11538), (1923, 10206), (2187, 8974), (3402, 5769), (3846, 5103), (4374, 4487)]