19939376

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{5171}}^1$

素因数の和:5420

約数の個数: 20

約数和(自身を含む): 38800344

約数和(自身を除く): 18860968

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 5171, 10342, 20684, 41368, 82736, 1246211, 2492422, 4984844, 9969688, 19939376]

約数ペア:

[(1, 19939376), (2, 9969688), (4, 4984844), (8, 2492422), (16, 1246211), (241, 82736), (482, 41368), (964, 20684), (1928, 10342), (3856, 5171)]