2018981910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{68743}}^1$

素因数の和:68853

約数の個数: 64

約数和(自身を含む): 5345533440

約数和(自身を除く): 3326551530

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 89, 110, 165, 178, 267, 330, 445, 534, 890, 979, 1335, 1958, 2670, 2937, 4895, 5874, 9790, 14685, 29370, 68743, 137486, 206229, 343715, 412458, 687430, 756173, 1031145, 1512346, 2062290, 2268519, 3780865, 4537038, 6118127, 7561730, 11342595, 12236254, 18354381, 22685190, 30590635, 36708762, 61181270, 67299397, 91771905, 134598794, 183543810, 201898191, 336496985, 403796382, 672993970, 1009490955, 2018981910]

約数ペア:

[(1, 2018981910), (2, 1009490955), (3, 672993970), (5, 403796382), (6, 336496985), (10, 201898191), (11, 183543810), (15, 134598794), (22, 91771905), (30, 67299397), (33, 61181270), (55, 36708762), (66, 30590635), (89, 22685190), (110, 18354381), (165, 12236254), (178, 11342595), (267, 7561730), (330, 6118127), (445, 4537038), (534, 3780865), (890, 2268519), (979, 2062290), (1335, 1512346), (1958, 1031145), (2670, 756173), (2937, 687430), (4895, 412458), (5874, 343715), (9790, 206229), (14685, 137486), (29370, 68743)]