19800270

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:666

約数の個数: 96

約数和(自身を含む): 60046272

約数和(自身を除く): 40246002

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 53, 63, 70, 90, 105, 106, 126, 159, 210, 265, 315, 318, 371, 477, 530, 593, 630, 742, 795, 954, 1113, 1186, 1590, 1779, 1855, 2226, 2385, 2965, 3339, 3558, 3710, 4151, 4770, 5337, 5565, 5930, 6678, 8302, 8895, 10674, 11130, 12453, 16695, 17790, 20755, 24906, 26685, 31429, 33390, 37359, 41510, 53370, 62265, 62858, 74718, 94287, 124530, 157145, 186795, 188574, 220003, 282861, 314290, 373590, 440006, 471435, 565722, 660009, 942870, 1100015, 1320018, 1414305, 1980027, 2200030, 2828610, 3300045, 3960054, 6600090, 9900135, 19800270]

約数ペア:

[(1, 19800270), (2, 9900135), (3, 6600090), (5, 3960054), (6, 3300045), (7, 2828610), (9, 2200030), (10, 1980027), (14, 1414305), (15, 1320018), (18, 1100015), (21, 942870), (30, 660009), (35, 565722), (42, 471435), (45, 440006), (53, 373590), (63, 314290), (70, 282861), (90, 220003), (105, 188574), (106, 186795), (126, 157145), (159, 124530), (210, 94287), (265, 74718), (315, 62858), (318, 62265), (371, 53370), (477, 41510), (530, 37359), (593, 33390), (630, 31429), (742, 26685), (795, 24906), (954, 20755), (1113, 17790), (1186, 16695), (1590, 12453), (1779, 11130), (1855, 10674), (2226, 8895), (2385, 8302), (2965, 6678), (3339, 5930), (3558, 5565), (3710, 5337), (4151, 4770)]