19578736

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9341}}^1$

素因数の和:9480

約数の個数: 20

約数和(自身を含む): 38227464

約数和(自身を除く): 18648728

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9341, 18682, 37364, 74728, 149456, 1223671, 2447342, 4894684, 9789368, 19578736]

約数ペア:

[(1, 19578736), (2, 9789368), (4, 4894684), (8, 2447342), (16, 1223671), (131, 149456), (262, 74728), (524, 37364), (1048, 18682), (2096, 9341)]