19864889541

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{859}}^1\times {\mathrm{1279}}^1$

素因数の和:2199

約数の個数: 72

約数和(自身を含む): 34259097600

約数和(自身を除く): 14394208059

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 859, 861, 1279, 2009, 2577, 2583, 3837, 6013, 6027, 7731, 8953, 11511, 18039, 18081, 26859, 35219, 42091, 52439, 54117, 62671, 80577, 105657, 126273, 157317, 188013, 246533, 316971, 367073, 378819, 471951, 564039, 739599, 1098661, 1101219, 1725731, 2218797, 2569511, 3295983, 3303657, 5177193, 7690627, 7708533, 9887949, 15531579, 23071881, 23125599, 45045101, 53834389, 69215643, 135135303, 161503167, 315315707, 405405909, 484509501, 945947121, 2207209949, 2837841363, 6621629847, 19864889541]

約数ペア:

[(1, 19864889541), (3, 6621629847), (7, 2837841363), (9, 2207209949), (21, 945947121), (41, 484509501), (49, 405405909), (63, 315315707), (123, 161503167), (147, 135135303), (287, 69215643), (369, 53834389), (441, 45045101), (859, 23125599), (861, 23071881), (1279, 15531579), (2009, 9887949), (2577, 7708533), (2583, 7690627), (3837, 5177193), (6013, 3303657), (6027, 3295983), (7731, 2569511), (8953, 2218797), (11511, 1725731), (18039, 1101219), (18081, 1098661), (26859, 739599), (35219, 564039), (42091, 471951), (52439, 378819), (54117, 367073), (62671, 316971), (80577, 246533), (105657, 188013), (126273, 157317)]