20190489670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{21977}}^1$

素因数の和:22225

約数の個数: 64

約数和(自身を含む): 40408574976

約数和(自身を除く): 20218085306

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 191, 370, 382, 481, 955, 962, 1910, 2405, 2483, 4810, 4966, 7067, 12415, 14134, 21977, 24830, 35335, 43954, 70670, 91871, 109885, 183742, 219770, 285701, 459355, 571402, 813149, 918710, 1428505, 1626298, 2857010, 4065745, 4197607, 8131490, 8395214, 10570937, 20988035, 21141874, 41976070, 52854685, 54568891, 105709370, 109137782, 155311459, 272844455, 310622918, 545688910, 776557295, 1553114590, 2019048967, 4038097934, 10095244835, 20190489670]

約数ペア:

[(1, 20190489670), (2, 10095244835), (5, 4038097934), (10, 2019048967), (13, 1553114590), (26, 776557295), (37, 545688910), (65, 310622918), (74, 272844455), (130, 155311459), (185, 109137782), (191, 105709370), (370, 54568891), (382, 52854685), (481, 41976070), (955, 21141874), (962, 20988035), (1910, 10570937), (2405, 8395214), (2483, 8131490), (4810, 4197607), (4966, 4065745), (7067, 2857010), (12415, 1626298), (14134, 1428505), (21977, 918710), (24830, 813149), (35335, 571402), (43954, 459355), (70670, 285701), (91871, 219770), (109885, 183742)]