16420554

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 37346400

約数和(自身を除く): 20925846

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 83, 87, 166, 174, 249, 261, 379, 498, 522, 747, 758, 1137, 1494, 2274, 2407, 3411, 4814, 6822, 7221, 10991, 14442, 21663, 21982, 31457, 32973, 43326, 62914, 65946, 94371, 98919, 188742, 197838, 283113, 566226, 912253, 1824506, 2736759, 5473518, 8210277, 16420554]

約数ペア:

[(1, 16420554), (2, 8210277), (3, 5473518), (6, 2736759), (9, 1824506), (18, 912253), (29, 566226), (58, 283113), (83, 197838), (87, 188742), (166, 98919), (174, 94371), (249, 65946), (261, 62914), (379, 43326), (498, 32973), (522, 31457), (747, 21982), (758, 21663), (1137, 14442), (1494, 10991), (2274, 7221), (2407, 6822), (3411, 4814)]