19361872

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{10709}}^1$

素因数の和:10830

約数の個数: 20

約数和(自身を含む): 37849140

約数和(自身を除く): 18487268

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 10709, 21418, 42836, 85672, 171344, 1210117, 2420234, 4840468, 9680936, 19361872]

約数ペア:

[(1, 19361872), (2, 9680936), (4, 4840468), (8, 2420234), (16, 1210117), (113, 171344), (226, 85672), (452, 42836), (904, 21418), (1808, 10709)]