2018193860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:477

約数の個数: 96

約数和(自身を含む): 4449392640

約数和(自身を除く): 2431198780

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 131, 148, 185, 191, 218, 262, 370, 382, 436, 524, 545, 655, 740, 764, 955, 1090, 1310, 1910, 2180, 2620, 3820, 4033, 4847, 7067, 8066, 9694, 14134, 14279, 16132, 19388, 20165, 20819, 24235, 25021, 28268, 28558, 35335, 40330, 41638, 48470, 50042, 57116, 70670, 71395, 80660, 83276, 96940, 100084, 104095, 125105, 141340, 142790, 208190, 250210, 285580, 416380, 500420, 528323, 770303, 925777, 1056646, 1540606, 1851554, 2113292, 2641615, 2727289, 3081212, 3703108, 3851515, 4628885, 5283230, 5454578, 7703030, 9257770, 10566460, 10909156, 13636445, 15406060, 18515540, 27272890, 54545780, 100909693, 201819386, 403638772, 504548465, 1009096930, 2018193860]

約数ペア:

[(1, 2018193860), (2, 1009096930), (4, 504548465), (5, 403638772), (10, 201819386), (20, 100909693), (37, 54545780), (74, 27272890), (109, 18515540), (131, 15406060), (148, 13636445), (185, 10909156), (191, 10566460), (218, 9257770), (262, 7703030), (370, 5454578), (382, 5283230), (436, 4628885), (524, 3851515), (545, 3703108), (655, 3081212), (740, 2727289), (764, 2641615), (955, 2113292), (1090, 1851554), (1310, 1540606), (1910, 1056646), (2180, 925777), (2620, 770303), (3820, 528323), (4033, 500420), (4847, 416380), (7067, 285580), (8066, 250210), (9694, 208190), (14134, 142790), (14279, 141340), (16132, 125105), (19388, 104095), (20165, 100084), (20819, 96940), (24235, 83276), (25021, 80660), (28268, 71395), (28558, 70670), (35335, 57116), (40330, 50042), (41638, 48470)]