18880452381

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1\times {\mathrm{18461}}^1$

素因数の和:20073

約数の個数: 32

約数和(自身を含む): 29718798336

約数和(自身を除く): 10838345955

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 1571, 4713, 10997, 18461, 32991, 48701, 55383, 129227, 146103, 340907, 387681, 572291, 1022721, 1716873, 4006037, 12018111, 29002231, 87006693, 203015617, 609046851, 899069161, 2697207483, 6293484127, 18880452381]

約数ペア:

[(1, 18880452381), (3, 6293484127), (7, 2697207483), (21, 899069161), (31, 609046851), (93, 203015617), (217, 87006693), (651, 29002231), (1571, 12018111), (4713, 4006037), (10997, 1716873), (18461, 1022721), (32991, 572291), (48701, 387681), (55383, 340907), (129227, 146103)]