18481984

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{15199}}^1$

素因数の和:15230

約数の個数: 28

約数和(自身を含む): 38608000

約数和(自身を除く): 20126016

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 15199, 30398, 60796, 121592, 243184, 288781, 486368, 577562, 972736, 1155124, 2310248, 4620496, 9240992, 18481984]

約数ペア:

[(1, 18481984), (2, 9240992), (4, 4620496), (8, 2310248), (16, 1155124), (19, 972736), (32, 577562), (38, 486368), (64, 288781), (76, 243184), (152, 121592), (304, 60796), (608, 30398), (1216, 15199)]