2157488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:225

約数の個数: 40

約数和(自身を含む): 4523520

約数和(自身を除く): 2366032

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 151, 152, 188, 302, 304, 376, 604, 752, 893, 1208, 1786, 2416, 2869, 3572, 5738, 7097, 7144, 11476, 14194, 14288, 22952, 28388, 45904, 56776, 113552, 134843, 269686, 539372, 1078744, 2157488]

約数ペア:

[(1, 2157488), (2, 1078744), (4, 539372), (8, 269686), (16, 134843), (19, 113552), (38, 56776), (47, 45904), (76, 28388), (94, 22952), (151, 14288), (152, 14194), (188, 11476), (302, 7144), (304, 7097), (376, 5738), (604, 3572), (752, 2869), (893, 2416), (1208, 1786)]