19977856

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9181}}^1$

素因数の和:9212

約数の個数: 32

約数和(自身を含む): 42145380

約数和(自身を除く): 22167524

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9181, 18362, 36724, 73448, 146896, 156077, 293792, 312154, 587584, 624308, 1175168, 1248616, 2497232, 4994464, 9988928, 19977856]

約数ペア:

[(1, 19977856), (2, 9988928), (4, 4994464), (8, 2497232), (16, 1248616), (17, 1175168), (32, 624308), (34, 587584), (64, 312154), (68, 293792), (128, 156077), (136, 146896), (272, 73448), (544, 36724), (1088, 18362), (2176, 9181)]