18528049281

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{5623}}^1$

素因数の和:5806

約数の個数: 64

約数和(自身を含む): 29932277760

約数和(自身を除く): 11404228479

約数列:

[1, 3, 7, 21, 41, 43, 89, 123, 129, 267, 287, 301, 623, 861, 903, 1763, 1869, 3649, 3827, 5289, 5623, 10947, 11481, 12341, 16869, 25543, 26789, 37023, 39361, 76629, 80367, 118083, 156907, 230543, 241789, 470721, 500447, 691629, 725367, 1098349, 1501341, 1613801, 1692523, 3295047, 3503129, 4841403, 5077569, 9913349, 10509387, 20518327, 21519221, 29740047, 61554981, 64557663, 69393443, 143628289, 150634547, 208180329, 430884867, 451903641, 882288061, 2646864183, 6176016427, 18528049281]

約数ペア:

[(1, 18528049281), (3, 6176016427), (7, 2646864183), (21, 882288061), (41, 451903641), (43, 430884867), (89, 208180329), (123, 150634547), (129, 143628289), (267, 69393443), (287, 64557663), (301, 61554981), (623, 29740047), (861, 21519221), (903, 20518327), (1763, 10509387), (1869, 9913349), (3649, 5077569), (3827, 4841403), (5289, 3503129), (5623, 3295047), (10947, 1692523), (11481, 1613801), (12341, 1501341), (16869, 1098349), (25543, 725367), (26789, 691629), (37023, 500447), (39361, 470721), (76629, 241789), (80367, 230543), (118083, 156907)]