19619568

素因数分解:

$2^4\times 3^2\times {\mathrm{136247}}^1$

素因数の和:136261

約数の個数: 30

約数和(自身を含む): 54907944

約数和(自身を除く): 35288376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 136247, 272494, 408741, 544988, 817482, 1089976, 1226223, 1634964, 2179952, 2452446, 3269928, 4904892, 6539856, 9809784, 19619568]

約数ペア:

[(1, 19619568), (2, 9809784), (3, 6539856), (4, 4904892), (6, 3269928), (8, 2452446), (9, 2179952), (12, 1634964), (16, 1226223), (18, 1089976), (24, 817482), (36, 544988), (48, 408741), (72, 272494), (144, 136247)]