19656486

素因数分解:

$2^1\times 3^3\times {\mathrm{137}}^1\times {\mathrm{2657}}^1$

素因数の和:2805

約数の個数: 32

約数和(自身を含む): 44016480

約数和(自身を除く): 24359994

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 137, 274, 411, 822, 1233, 2466, 2657, 3699, 5314, 7398, 7971, 15942, 23913, 47826, 71739, 143478, 364009, 728018, 1092027, 2184054, 3276081, 6552162, 9828243, 19656486]

約数ペア:

[(1, 19656486), (2, 9828243), (3, 6552162), (6, 3276081), (9, 2184054), (18, 1092027), (27, 728018), (54, 364009), (137, 143478), (274, 71739), (411, 47826), (822, 23913), (1233, 15942), (2466, 7971), (2657, 7398), (3699, 5314)]