2019919461

素因数分解:

$3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{420029}}^1$

素因数の和:420268

約数の個数: 16

約数和(自身を含む): 3091420800

約数和(自身を除く): 1071501339

約数列:

[1, 3, 7, 21, 229, 687, 1603, 4809, 420029, 1260087, 2940203, 8820609, 96186641, 288559923, 673306487, 2019919461]

約数ペア:

[(1, 2019919461), (3, 673306487), (7, 288559923), (21, 96186641), (229, 8820609), (687, 2940203), (1603, 1260087), (4809, 420029)]