18651880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35869}}^1$

素因数の和:35893

約数の個数: 32

約数和(自身を含む): 45196200

約数和(自身を除く): 26544320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35869, 71738, 143476, 179345, 286952, 358690, 466297, 717380, 932594, 1434760, 1865188, 2331485, 3730376, 4662970, 9325940, 18651880]

約数ペア:

[(1, 18651880), (2, 9325940), (4, 4662970), (5, 3730376), (8, 2331485), (10, 1865188), (13, 1434760), (20, 932594), (26, 717380), (40, 466297), (52, 358690), (65, 286952), (104, 179345), (130, 143476), (260, 71738), (520, 35869)]