19290804

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3989}}^1$

素因数の和:4040

約数の個数: 48

約数和(自身を含む): 50050560

約数和(自身を除く): 30759756

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 3989, 4836, 7978, 11967, 15956, 23934, 47868, 51857, 103714, 123659, 155571, 207428, 247318, 311142, 370977, 494636, 622284, 741954, 1483908, 1607567, 3215134, 4822701, 6430268, 9645402, 19290804]

約数ペア:

[(1, 19290804), (2, 9645402), (3, 6430268), (4, 4822701), (6, 3215134), (12, 1607567), (13, 1483908), (26, 741954), (31, 622284), (39, 494636), (52, 370977), (62, 311142), (78, 247318), (93, 207428), (124, 155571), (156, 123659), (186, 103714), (372, 51857), (403, 47868), (806, 23934), (1209, 15956), (1612, 11967), (2418, 7978), (3989, 4836)]