19153480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 26465720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 109, 115, 184, 191, 218, 230, 382, 436, 460, 545, 764, 872, 920, 955, 1090, 1528, 1910, 2180, 2507, 3820, 4360, 4393, 5014, 7640, 8786, 10028, 12535, 17572, 20056, 20819, 21965, 25070, 35144, 41638, 43930, 50140, 83276, 87860, 100280, 104095, 166552, 175720, 208190, 416380, 478837, 832760, 957674, 1915348, 2394185, 3830696, 4788370, 9576740, 19153480]

約数ペア:

[(1, 19153480), (2, 9576740), (4, 4788370), (5, 3830696), (8, 2394185), (10, 1915348), (20, 957674), (23, 832760), (40, 478837), (46, 416380), (92, 208190), (109, 175720), (115, 166552), (184, 104095), (191, 100280), (218, 87860), (230, 83276), (382, 50140), (436, 43930), (460, 41638), (545, 35144), (764, 25070), (872, 21965), (920, 20819), (955, 20056), (1090, 17572), (1528, 12535), (1910, 10028), (2180, 8786), (2507, 7640), (3820, 5014), (4360, 4393)]