19168020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1283}}^1$

素因数の和:1381

約数の個数: 72

約数和(自身を含む): 58889376

約数和(自身を除く): 39721356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1283, 1494, 1660, 2490, 2566, 2988, 3735, 3849, 4980, 5132, 6415, 7470, 7698, 11547, 12830, 14940, 15396, 19245, 23094, 25660, 38490, 46188, 57735, 76980, 106489, 115470, 212978, 230940, 319467, 425956, 532445, 638934, 958401, 1064890, 1277868, 1597335, 1916802, 2129780, 3194670, 3833604, 4792005, 6389340, 9584010, 19168020]

約数ペア:

[(1, 19168020), (2, 9584010), (3, 6389340), (4, 4792005), (5, 3833604), (6, 3194670), (9, 2129780), (10, 1916802), (12, 1597335), (15, 1277868), (18, 1064890), (20, 958401), (30, 638934), (36, 532445), (45, 425956), (60, 319467), (83, 230940), (90, 212978), (166, 115470), (180, 106489), (249, 76980), (332, 57735), (415, 46188), (498, 38490), (747, 25660), (830, 23094), (996, 19245), (1245, 15396), (1283, 14940), (1494, 12830), (1660, 11547), (2490, 7698), (2566, 7470), (2988, 6415), (3735, 5132), (3849, 4980)]