19499481

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 30096000

約数和(自身を除く): 10596519

約数列:

[1, 3, 9, 27, 37, 111, 131, 149, 333, 393, 447, 999, 1179, 1341, 3537, 4023, 4847, 5513, 14541, 16539, 19519, 43623, 49617, 58557, 130869, 148851, 175671, 527013, 722203, 2166609, 6499827, 19499481]

約数ペア:

[(1, 19499481), (3, 6499827), (9, 2166609), (27, 722203), (37, 527013), (111, 175671), (131, 148851), (149, 130869), (333, 58557), (393, 49617), (447, 43623), (999, 19519), (1179, 16539), (1341, 14541), (3537, 5513), (4023, 4847)]