19948935

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1091}}^1$

素因数の和:1175

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 14016633

約数列:

[1, 3, 5, 15, 23, 53, 69, 115, 159, 265, 345, 795, 1091, 1219, 3273, 3657, 5455, 6095, 16365, 18285, 25093, 57823, 75279, 125465, 173469, 289115, 376395, 867345, 1329929, 3989787, 6649645, 19948935]

約数ペア:

[(1, 19948935), (3, 6649645), (5, 3989787), (15, 1329929), (23, 867345), (53, 376395), (69, 289115), (115, 173469), (159, 125465), (265, 75279), (345, 57823), (795, 25093), (1091, 18285), (1219, 16365), (3273, 6095), (3657, 5455)]