19619874

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{15797}}^1$

素因数の和:15831

約数の個数: 32

約数和(自身を含む): 45498240

約数和(自身を除く): 25878366

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 15797, 31594, 47391, 94782, 142173, 284346, 363331, 426519, 726662, 853038, 1089993, 2179986, 3269979, 6539958, 9809937, 19619874]

約数ペア:

[(1, 19619874), (2, 9809937), (3, 6539958), (6, 3269979), (9, 2179986), (18, 1089993), (23, 853038), (27, 726662), (46, 426519), (54, 363331), (69, 284346), (138, 142173), (207, 94782), (414, 47391), (621, 31594), (1242, 15797)]