18720896

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{6359}}^1$

素因数の和:6396

約数の個数: 32

約数和(自身を含む): 38923200

約数和(自身を除く): 20202304

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 6359, 12718, 25436, 50872, 101744, 146257, 203488, 292514, 406976, 585028, 813952, 1170056, 2340112, 4680224, 9360448, 18720896]

約数ペア:

[(1, 18720896), (2, 9360448), (4, 4680224), (8, 2340112), (16, 1170056), (23, 813952), (32, 585028), (46, 406976), (64, 292514), (92, 203488), (128, 146257), (184, 101744), (368, 50872), (736, 25436), (1472, 12718), (2944, 6359)]