19457140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51203}}^1$

素因数の和:51231

約数の個数: 24

約数和(自身を含む): 43011360

約数和(自身を除く): 23554220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 51203, 102406, 204812, 256015, 512030, 972857, 1024060, 1945714, 3891428, 4864285, 9728570, 19457140]

約数ペア:

[(1, 19457140), (2, 9728570), (4, 4864285), (5, 3891428), (10, 1945714), (19, 1024060), (20, 972857), (38, 512030), (76, 256015), (95, 204812), (190, 102406), (380, 51203)]