2018685968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{90703}}^1$

素因数の和:90831

約数の個数: 40

約数和(自身を含む): 4251477888

約数和(自身を除く): 2232791920

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 107, 208, 214, 428, 856, 1391, 1712, 2782, 5564, 11128, 22256, 90703, 181406, 362812, 725624, 1179139, 1451248, 2358278, 4716556, 9433112, 9705221, 18866224, 19410442, 38820884, 77641768, 126167873, 155283536, 252335746, 504671492, 1009342984, 2018685968]

約数ペア:

[(1, 2018685968), (2, 1009342984), (4, 504671492), (8, 252335746), (13, 155283536), (16, 126167873), (26, 77641768), (52, 38820884), (104, 19410442), (107, 18866224), (208, 9705221), (214, 9433112), (428, 4716556), (856, 2358278), (1391, 1451248), (1712, 1179139), (2782, 725624), (5564, 362812), (11128, 181406), (22256, 90703)]