19154793

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 31267840

約数和(自身を除く): 12113047

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 787, 1159, 1281, 2361, 3477, 5509, 8113, 14953, 16527, 24339, 44859, 48007, 104671, 144021, 314013, 336049, 912133, 1008147, 2736399, 6384931, 19154793]

約数ペア:

[(1, 19154793), (3, 6384931), (7, 2736399), (19, 1008147), (21, 912133), (57, 336049), (61, 314013), (133, 144021), (183, 104671), (399, 48007), (427, 44859), (787, 24339), (1159, 16527), (1281, 14953), (2361, 8113), (3477, 5509)]