2019551420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{171439}}^1$

素因数の和:171498

約数の個数: 48

約数和(自身を含む): 4608307200

約数和(自身を除く): 2588755780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 171439, 342878, 685756, 857195, 1714390, 3257341, 3428780, 5314609, 6514682, 10629218, 13029364, 16286705, 21258436, 26573045, 32573410, 53146090, 65146820, 100977571, 106292180, 201955142, 403910284, 504887855, 1009775710, 2019551420]

約数ペア:

[(1, 2019551420), (2, 1009775710), (4, 504887855), (5, 403910284), (10, 201955142), (19, 106292180), (20, 100977571), (31, 65146820), (38, 53146090), (62, 32573410), (76, 26573045), (95, 21258436), (124, 16286705), (155, 13029364), (190, 10629218), (310, 6514682), (380, 5314609), (589, 3428780), (620, 3257341), (1178, 1714390), (2356, 857195), (2945, 685756), (5890, 342878), (11780, 171439)]