19043218

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 31072896

約数和(自身を除く): 12029678

約数列:

[1, 2, 23, 46, 53, 73, 106, 107, 146, 214, 1219, 1679, 2438, 2461, 3358, 3869, 4922, 5671, 7738, 7811, 11342, 15622, 88987, 130433, 177974, 179653, 260866, 359306, 413983, 827966, 9521609, 19043218]

約数ペア:

[(1, 19043218), (2, 9521609), (23, 827966), (46, 413983), (53, 359306), (73, 260866), (106, 179653), (107, 177974), (146, 130433), (214, 88987), (1219, 15622), (1679, 11342), (2438, 7811), (2461, 7738), (3358, 5671), (3869, 4922)]