19780416

素因数分解:

$2^6\times 3^3\times {\mathrm{11447}}^1$

素因数の和:11468

約数の個数: 56

約数和(自身を含む): 58155840

約数和(自身を除く): 38375424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 144, 192, 216, 288, 432, 576, 864, 1728, 11447, 22894, 34341, 45788, 68682, 91576, 103023, 137364, 183152, 206046, 274728, 309069, 366304, 412092, 549456, 618138, 732608, 824184, 1098912, 1236276, 1648368, 2197824, 2472552, 3296736, 4945104, 6593472, 9890208, 19780416]

約数ペア:

[(1, 19780416), (2, 9890208), (3, 6593472), (4, 4945104), (6, 3296736), (8, 2472552), (9, 2197824), (12, 1648368), (16, 1236276), (18, 1098912), (24, 824184), (27, 732608), (32, 618138), (36, 549456), (48, 412092), (54, 366304), (64, 309069), (72, 274728), (96, 206046), (108, 183152), (144, 137364), (192, 103023), (216, 91576), (288, 68682), (432, 45788), (576, 34341), (864, 22894), (1728, 11447)]