19651048

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1103}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 39346560

約数和(自身を除く): 19695512

約数列:

[1, 2, 4, 8, 17, 34, 68, 131, 136, 262, 524, 1048, 1103, 2206, 2227, 4412, 4454, 8824, 8908, 17816, 18751, 37502, 75004, 144493, 150008, 288986, 577972, 1155944, 2456381, 4912762, 9825524, 19651048]

約数ペア:

[(1, 19651048), (2, 9825524), (4, 4912762), (8, 2456381), (17, 1155944), (34, 577972), (68, 288986), (131, 150008), (136, 144493), (262, 75004), (524, 37502), (1048, 18751), (1103, 17816), (2206, 8908), (2227, 8824), (4412, 4454)]