19807168

素因数分解:

$2^6\times {\mathrm{197}}^1\times {\mathrm{1571}}^1$

素因数の和:1780

約数の個数: 28

約数和(自身を含む): 39529512

約数和(自身を除く): 19722344

約数列:

[1, 2, 4, 8, 16, 32, 64, 197, 394, 788, 1571, 1576, 3142, 3152, 6284, 6304, 12568, 12608, 25136, 50272, 100544, 309487, 618974, 1237948, 2475896, 4951792, 9903584, 19807168]

約数ペア:

[(1, 19807168), (2, 9903584), (4, 4951792), (8, 2475896), (16, 1237948), (32, 618974), (64, 309487), (197, 100544), (394, 50272), (788, 25136), (1571, 12608), (1576, 12568), (3142, 6304), (3152, 6284)]