18511232

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 40098240

約数和(自身を除く): 21587008

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 47, 64, 68, 94, 128, 136, 181, 188, 272, 362, 376, 544, 724, 752, 799, 1088, 1448, 1504, 1598, 2176, 2896, 3008, 3077, 3196, 5792, 6016, 6154, 6392, 8507, 11584, 12308, 12784, 17014, 23168, 24616, 25568, 34028, 49232, 51136, 68056, 98464, 102272, 136112, 144619, 196928, 272224, 289238, 393856, 544448, 578476, 1088896, 1156952, 2313904, 4627808, 9255616, 18511232]

約数ペア:

[(1, 18511232), (2, 9255616), (4, 4627808), (8, 2313904), (16, 1156952), (17, 1088896), (32, 578476), (34, 544448), (47, 393856), (64, 289238), (68, 272224), (94, 196928), (128, 144619), (136, 136112), (181, 102272), (188, 98464), (272, 68056), (362, 51136), (376, 49232), (544, 34028), (724, 25568), (752, 24616), (799, 23168), (1088, 17014), (1448, 12784), (1504, 12308), (1598, 11584), (2176, 8507), (2896, 6392), (3008, 6154), (3077, 6016), (3196, 5792)]