19328140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{941}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 44311680

約数和(自身を除く): 24983540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 941, 1027, 1580, 1882, 2054, 3764, 4108, 4705, 5135, 9410, 10270, 12233, 18820, 20540, 24466, 48932, 61165, 74339, 122330, 148678, 244660, 297356, 371695, 743390, 966407, 1486780, 1932814, 3865628, 4832035, 9664070, 19328140]

約数ペア:

[(1, 19328140), (2, 9664070), (4, 4832035), (5, 3865628), (10, 1932814), (13, 1486780), (20, 966407), (26, 743390), (52, 371695), (65, 297356), (79, 244660), (130, 148678), (158, 122330), (260, 74339), (316, 61165), (395, 48932), (790, 24466), (941, 20540), (1027, 18820), (1580, 12233), (1882, 10270), (2054, 9410), (3764, 5135), (4108, 4705)]