19736336

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{39791}}^1$

素因数の和:39830

約数の個数: 20

約数和(自身を含む): 39473664

約数和(自身を除く): 19737328

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 39791, 79582, 159164, 318328, 636656, 1233521, 2467042, 4934084, 9868168, 19736336]

約数ペア:

[(1, 19736336), (2, 9868168), (4, 4934084), (8, 2467042), (16, 1233521), (31, 636656), (62, 318328), (124, 159164), (248, 79582), (496, 39791)]