19726778877

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{919}}^1\times {\mathrm{1103}}^1$

素因数の和:2537

約数の個数: 32

約数和(自身を含む): 28439040000

約数和(自身を除く): 8712261123

約数列:

[1, 3, 13, 39, 499, 919, 1103, 1497, 2757, 3309, 6487, 11947, 14339, 19461, 35841, 43017, 458581, 550397, 1013657, 1375743, 1651191, 3040971, 5961553, 7155161, 13177541, 17884659, 21465483, 39532623, 505814843, 1517444529, 6575592959, 19726778877]

約数ペア:

[(1, 19726778877), (3, 6575592959), (13, 1517444529), (39, 505814843), (499, 39532623), (919, 21465483), (1103, 17884659), (1497, 13177541), (2757, 7155161), (3309, 5961553), (6487, 3040971), (11947, 1651191), (14339, 1375743), (19461, 1013657), (35841, 550397), (43017, 458581)]