19656693

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^2\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 54

約数和(自身を含む): 34852194

約数和(自身を除く): 15195501

約数列:

[1, 3, 7, 9, 21, 29, 49, 53, 63, 87, 147, 159, 203, 261, 371, 441, 477, 609, 841, 1113, 1421, 1537, 1827, 2523, 2597, 3339, 4263, 4611, 5887, 7569, 7791, 10759, 12789, 13833, 17661, 23373, 32277, 41209, 44573, 52983, 75313, 96831, 123627, 133719, 225939, 312011, 370881, 401157, 677817, 936033, 2184077, 2808099, 6552231, 19656693]

約数ペア:

[(1, 19656693), (3, 6552231), (7, 2808099), (9, 2184077), (21, 936033), (29, 677817), (49, 401157), (53, 370881), (63, 312011), (87, 225939), (147, 133719), (159, 123627), (203, 96831), (261, 75313), (371, 52983), (441, 44573), (477, 41209), (609, 32277), (841, 23373), (1113, 17661), (1421, 13833), (1537, 12789), (1827, 10759), (2523, 7791), (2597, 7569), (3339, 5887), (4263, 4611)]