19096900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{23}}^2$

素因数の和:98

約数の個数: 81

約数和(自身を含む): 45720381

約数和(自身を除く): 26623481

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 92, 95, 100, 115, 190, 230, 361, 380, 437, 460, 475, 529, 575, 722, 874, 950, 1058, 1150, 1444, 1748, 1805, 1900, 2116, 2185, 2300, 2645, 3610, 4370, 5290, 7220, 8303, 8740, 9025, 10051, 10580, 10925, 13225, 16606, 18050, 20102, 21850, 26450, 33212, 36100, 40204, 41515, 43700, 50255, 52900, 83030, 100510, 166060, 190969, 201020, 207575, 251275, 381938, 415150, 502550, 763876, 830300, 954845, 1005100, 1909690, 3819380, 4774225, 9548450, 19096900]

約数ペア:

[(1, 19096900), (2, 9548450), (4, 4774225), (5, 3819380), (10, 1909690), (19, 1005100), (20, 954845), (23, 830300), (25, 763876), (38, 502550), (46, 415150), (50, 381938), (76, 251275), (92, 207575), (95, 201020), (100, 190969), (115, 166060), (190, 100510), (230, 83030), (361, 52900), (380, 50255), (437, 43700), (460, 41515), (475, 40204), (529, 36100), (575, 33212), (722, 26450), (874, 21850), (950, 20102), (1058, 18050), (1150, 16606), (1444, 13225), (1748, 10925), (1805, 10580), (1900, 10051), (2116, 9025), (2185, 8740), (2300, 8303), (2645, 7220), (3610, 5290)]