19911090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2777}}^1$

素因数の和:3026

約数の個数: 32

約数和(自身を含む): 48003840

約数和(自身を除く): 28092750

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 239, 478, 717, 1195, 1434, 2390, 2777, 3585, 5554, 7170, 8331, 13885, 16662, 27770, 41655, 83310, 663703, 1327406, 1991109, 3318515, 3982218, 6637030, 9955545, 19911090]

約数ペア:

[(1, 19911090), (2, 9955545), (3, 6637030), (5, 3982218), (6, 3318515), (10, 1991109), (15, 1327406), (30, 663703), (239, 83310), (478, 41655), (717, 27770), (1195, 16662), (1434, 13885), (2390, 8331), (2777, 7170), (3585, 5554)]