19909733823

素因数分解:

$3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{508901}}^1$

素因数の和:508946

約数の個数: 48

約数和(自身を含む): 35566142976

約数和(自身を除く): 15656409153

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 483, 567, 621, 1449, 1701, 1863, 4347, 5589, 13041, 39123, 508901, 1526703, 3562307, 4580109, 10686921, 11704723, 13740327, 32060763, 35114169, 41220981, 81933061, 96182289, 105342507, 123662943, 245799183, 288546867, 316027521, 737397549, 865640601, 948082563, 2212192647, 2844247689, 6636577941, 19909733823]

約数ペア:

[(1, 19909733823), (3, 6636577941), (7, 2844247689), (9, 2212192647), (21, 948082563), (23, 865640601), (27, 737397549), (63, 316027521), (69, 288546867), (81, 245799183), (161, 123662943), (189, 105342507), (207, 96182289), (243, 81933061), (483, 41220981), (567, 35114169), (621, 32060763), (1449, 13740327), (1701, 11704723), (1863, 10686921), (4347, 4580109), (5589, 3562307), (13041, 1526703), (39123, 508901)]