19721976

素因数分解:

$2^3\times 3^1\times {\mathrm{877}}^1\times {\mathrm{937}}^1$

素因数の和:1823

約数の個数: 32

約数和(自身を含む): 49413840

約数和(自身を除く): 29691864

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 877, 937, 1754, 1874, 2631, 2811, 3508, 3748, 5262, 5622, 7016, 7496, 10524, 11244, 21048, 22488, 821749, 1643498, 2465247, 3286996, 4930494, 6573992, 9860988, 19721976]

約数ペア:

[(1, 19721976), (2, 9860988), (3, 6573992), (4, 4930494), (6, 3286996), (8, 2465247), (12, 1643498), (24, 821749), (877, 22488), (937, 21048), (1754, 11244), (1874, 10524), (2631, 7496), (2811, 7016), (3508, 5622), (3748, 5262)]