19884237

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{12577}}^1$

素因数の和:12628

約数の個数: 16

約数和(自身を含む): 28979712

約数和(自身を除く): 9095475

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 12577, 37731, 213809, 389887, 641427, 1169661, 6628079, 19884237]

約数ペア:

[(1, 19884237), (3, 6628079), (17, 1169661), (31, 641427), (51, 389887), (93, 213809), (527, 37731), (1581, 12577)]