2018382920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{45013}}^1$

素因数の和:45102

約数の個数: 64

約数和(自身を含む): 4861512000

約数和(自身を除く): 2843129080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 236, 295, 380, 472, 590, 760, 1121, 1180, 2242, 2360, 4484, 5605, 8968, 11210, 22420, 44840, 45013, 90026, 180052, 225065, 360104, 450130, 855247, 900260, 1710494, 1800520, 2655767, 3420988, 4276235, 5311534, 6841976, 8552470, 10623068, 13278835, 17104940, 21246136, 26557670, 34209880, 50459573, 53115340, 100919146, 106230680, 201838292, 252297865, 403676584, 504595730, 1009191460, 2018382920]

約数ペア:

[(1, 2018382920), (2, 1009191460), (4, 504595730), (5, 403676584), (8, 252297865), (10, 201838292), (19, 106230680), (20, 100919146), (38, 53115340), (40, 50459573), (59, 34209880), (76, 26557670), (95, 21246136), (118, 17104940), (152, 13278835), (190, 10623068), (236, 8552470), (295, 6841976), (380, 5311534), (472, 4276235), (590, 3420988), (760, 2655767), (1121, 1800520), (1180, 1710494), (2242, 900260), (2360, 855247), (4484, 450130), (5605, 360104), (8968, 225065), (11210, 180052), (22420, 90026), (44840, 45013)]