19291242971

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{2741}}^1$

素因数の和:2940

約数の個数: 64

約数和(自身を含む): 26533785600

約数和(自身を除く): 7242542629

約数列:

[1, 7, 11, 13, 77, 79, 89, 91, 143, 553, 623, 869, 979, 1001, 1027, 1157, 2741, 6083, 6853, 7031, 7189, 8099, 11297, 12727, 19187, 30151, 35633, 49217, 77341, 79079, 89089, 91403, 211057, 216539, 243949, 249431, 391963, 541387, 639821, 1005433, 1515773, 1707643, 2381929, 2683439, 2743741, 2815007, 3171337, 7038031, 16673503, 18784073, 19271971, 19705049, 22199359, 30965077, 34884707, 134903797, 211991681, 216755539, 244192949, 250535623, 1483941767, 1753749361, 2755891853, 19291242971]

約数ペア:

[(1, 19291242971), (7, 2755891853), (11, 1753749361), (13, 1483941767), (77, 250535623), (79, 244192949), (89, 216755539), (91, 211991681), (143, 134903797), (553, 34884707), (623, 30965077), (869, 22199359), (979, 19705049), (1001, 19271971), (1027, 18784073), (1157, 16673503), (2741, 7038031), (6083, 3171337), (6853, 2815007), (7031, 2743741), (7189, 2683439), (8099, 2381929), (11297, 1707643), (12727, 1515773), (19187, 1005433), (30151, 639821), (35633, 541387), (49217, 391963), (77341, 249431), (79079, 243949), (89089, 216539), (91403, 211057)]