19974656

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{3001}}^1$

素因数の和:3032

約数の個数: 40

約数和(自身を含む): 42994644

約数和(自身を除く): 23019988

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3001, 3328, 6002, 6656, 12004, 24008, 39013, 48016, 78026, 96032, 156052, 192064, 312104, 384128, 624208, 768256, 1248416, 1536512, 2496832, 4993664, 9987328, 19974656]

約数ペア:

[(1, 19974656), (2, 9987328), (4, 4993664), (8, 2496832), (13, 1536512), (16, 1248416), (26, 768256), (32, 624208), (52, 384128), (64, 312104), (104, 192064), (128, 156052), (208, 96032), (256, 78026), (416, 48016), (512, 39013), (832, 24008), (1664, 12004), (3001, 6656), (3328, 6002)]