18393280

素因数分解:

$2^6\times 5^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:497

約数の個数: 56

約数和(自身を含む): 44165520

約数和(自身を除く): 25772240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 229, 251, 320, 458, 502, 916, 1004, 1145, 1255, 1832, 2008, 2290, 2510, 3664, 4016, 4580, 5020, 7328, 8032, 9160, 10040, 14656, 16064, 18320, 20080, 36640, 40160, 57479, 73280, 80320, 114958, 229916, 287395, 459832, 574790, 919664, 1149580, 1839328, 2299160, 3678656, 4598320, 9196640, 18393280]

約数ペア:

[(1, 18393280), (2, 9196640), (4, 4598320), (5, 3678656), (8, 2299160), (10, 1839328), (16, 1149580), (20, 919664), (32, 574790), (40, 459832), (64, 287395), (80, 229916), (160, 114958), (229, 80320), (251, 73280), (320, 57479), (458, 40160), (502, 36640), (916, 20080), (1004, 18320), (1145, 16064), (1255, 14656), (1832, 10040), (2008, 9160), (2290, 8032), (2510, 7328), (3664, 5020), (4016, 4580)]