19018090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20899}}^1$

素因数の和:20926

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 23116310

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20899, 41798, 104495, 146293, 208990, 271687, 292586, 543374, 731465, 1358435, 1462930, 1901809, 2716870, 3803618, 9509045, 19018090]

約数ペア:

[(1, 19018090), (2, 9509045), (5, 3803618), (7, 2716870), (10, 1901809), (13, 1462930), (14, 1358435), (26, 731465), (35, 543374), (65, 292586), (70, 271687), (91, 208990), (130, 146293), (182, 104495), (455, 41798), (910, 20899)]