18619144895

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{1901}}^1$

素因数の和:2172

約数の個数: 48

約数和(自身を含む): 24709901472

約数和(自身を除く): 6090756577

約数列:

[1, 5, 13, 65, 67, 169, 173, 335, 845, 865, 871, 1901, 2249, 4355, 9505, 11245, 11323, 11591, 24713, 29237, 56615, 57955, 123565, 127367, 146185, 150683, 321269, 328873, 636835, 753415, 1606345, 1644365, 1655771, 1958879, 4275349, 8278855, 9794395, 21376745, 21525023, 22034491, 55579537, 107625115, 110172455, 277897685, 286448383, 1432241915, 3723828979, 18619144895]

約数ペア:

[(1, 18619144895), (5, 3723828979), (13, 1432241915), (65, 286448383), (67, 277897685), (169, 110172455), (173, 107625115), (335, 55579537), (845, 22034491), (865, 21525023), (871, 21376745), (1901, 9794395), (2249, 8278855), (4355, 4275349), (9505, 1958879), (11245, 1655771), (11323, 1644365), (11591, 1606345), (24713, 753415), (29237, 636835), (56615, 328873), (57955, 321269), (123565, 150683), (127367, 146185)]