2019204855

素因数分解:

$3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:443

約数の個数: 96

約数和(自身を含む): 3736212480

約数和(自身を除く): 1717007625

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 89, 135, 213, 243, 263, 267, 355, 405, 445, 639, 789, 801, 1065, 1215, 1315, 1335, 1917, 2367, 2403, 3195, 3945, 4005, 5751, 6319, 7101, 7209, 9585, 11835, 12015, 17253, 18673, 18957, 21303, 21627, 23407, 28755, 31595, 35505, 36045, 56019, 56871, 63909, 70221, 86265, 93365, 94785, 106515, 108135, 117035, 168057, 170613, 210663, 280095, 284355, 319545, 351105, 504171, 511839, 631989, 840285, 853065, 1053315, 1512513, 1535517, 1661897, 1895967, 2520855, 2559195, 3159945, 4537539, 4985691, 5687901, 7562565, 7677585, 8309485, 9479835, 14957073, 22687695, 24928455, 28439505, 44871219, 74785365, 134613657, 224356095, 403840971, 673068285, 2019204855]

約数ペア:

[(1, 2019204855), (3, 673068285), (5, 403840971), (9, 224356095), (15, 134613657), (27, 74785365), (45, 44871219), (71, 28439505), (81, 24928455), (89, 22687695), (135, 14957073), (213, 9479835), (243, 8309485), (263, 7677585), (267, 7562565), (355, 5687901), (405, 4985691), (445, 4537539), (639, 3159945), (789, 2559195), (801, 2520855), (1065, 1895967), (1215, 1661897), (1315, 1535517), (1335, 1512513), (1917, 1053315), (2367, 853065), (2403, 840285), (3195, 631989), (3945, 511839), (4005, 504171), (5751, 351105), (6319, 319545), (7101, 284355), (7209, 280095), (9585, 210663), (11835, 170613), (12015, 168057), (17253, 117035), (18673, 108135), (18957, 106515), (21303, 94785), (21627, 93365), (23407, 86265), (28755, 70221), (31595, 63909), (35505, 56871), (36045, 56019)]