19421586

素因数分解:

$2^1\times 3^3\times {\mathrm{457}}^1\times {\mathrm{787}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 43308480

約数和(自身を除く): 23886894

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 457, 787, 914, 1371, 1574, 2361, 2742, 4113, 4722, 7083, 8226, 12339, 14166, 21249, 24678, 42498, 359659, 719318, 1078977, 2157954, 3236931, 6473862, 9710793, 19421586]

約数ペア:

[(1, 19421586), (2, 9710793), (3, 6473862), (6, 3236931), (9, 2157954), (18, 1078977), (27, 719318), (54, 359659), (457, 42498), (787, 24678), (914, 21249), (1371, 14166), (1574, 12339), (2361, 8226), (2742, 7083), (4113, 4722)]