18613616

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8747}}^1$

素因数の和:8781

約数の個数: 40

約数和(自身を含む): 43390080

約数和(自身を除く): 24776464

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 8747, 17494, 34988, 61229, 69976, 122458, 139952, 166193, 244916, 332386, 489832, 664772, 979664, 1163351, 1329544, 2326702, 2659088, 4653404, 9306808, 18613616]

約数ペア:

[(1, 18613616), (2, 9306808), (4, 4653404), (7, 2659088), (8, 2326702), (14, 1329544), (16, 1163351), (19, 979664), (28, 664772), (38, 489832), (56, 332386), (76, 244916), (112, 166193), (133, 139952), (152, 122458), (266, 69976), (304, 61229), (532, 34988), (1064, 17494), (2128, 8747)]