18371031

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2659}}^1$

素因数の和:2723

約数の個数: 24

約数和(自身を含む): 29111040

約数和(自身を除く): 10740009

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 2659, 6909, 7977, 18613, 55839, 124973, 130291, 374919, 390873, 874811, 2624433, 6123677, 18371031]

約数ペア:

[(1, 18371031), (3, 6123677), (7, 2624433), (21, 874811), (47, 390873), (49, 374919), (141, 130291), (147, 124973), (329, 55839), (987, 18613), (2303, 7977), (2659, 6909)]