19710810

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10429}}^1$

素因数の和:10452

約数の個数: 64

約数和(自身を含む): 60076800

約数和(自身を除く): 40365990

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10429, 20858, 31287, 52145, 62574, 73003, 93861, 104290, 146006, 156435, 187722, 219009, 281583, 312870, 365015, 438018, 469305, 563166, 657027, 730030, 938610, 1095045, 1314054, 1407915, 1971081, 2190090, 2815830, 3285135, 3942162, 6570270, 9855405, 19710810]

約数ペア:

[(1, 19710810), (2, 9855405), (3, 6570270), (5, 3942162), (6, 3285135), (7, 2815830), (9, 2190090), (10, 1971081), (14, 1407915), (15, 1314054), (18, 1095045), (21, 938610), (27, 730030), (30, 657027), (35, 563166), (42, 469305), (45, 438018), (54, 365015), (63, 312870), (70, 281583), (90, 219009), (105, 187722), (126, 156435), (135, 146006), (189, 104290), (210, 93861), (270, 73003), (315, 62574), (378, 52145), (630, 31287), (945, 20858), (1890, 10429)]