19461680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1511}}^1$

素因数の和:1554

約数の個数: 80

約数和(自身を含む): 53996544

約数和(自身を除く): 34534864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1511, 1610, 1840, 2576, 3022, 3220, 6044, 6440, 7555, 10577, 12088, 12880, 15110, 21154, 24176, 30220, 34753, 42308, 52885, 60440, 69506, 84616, 105770, 120880, 139012, 169232, 173765, 211540, 243271, 278024, 347530, 423080, 486542, 556048, 695060, 846160, 973084, 1216355, 1390120, 1946168, 2432710, 2780240, 3892336, 4865420, 9730840, 19461680]

約数ペア:

[(1, 19461680), (2, 9730840), (4, 4865420), (5, 3892336), (7, 2780240), (8, 2432710), (10, 1946168), (14, 1390120), (16, 1216355), (20, 973084), (23, 846160), (28, 695060), (35, 556048), (40, 486542), (46, 423080), (56, 347530), (70, 278024), (80, 243271), (92, 211540), (112, 173765), (115, 169232), (140, 139012), (161, 120880), (184, 105770), (230, 84616), (280, 69506), (322, 60440), (368, 52885), (460, 42308), (560, 34753), (644, 30220), (805, 24176), (920, 21154), (1288, 15110), (1511, 12880), (1610, 12088), (1840, 10577), (2576, 7555), (3022, 6440), (3220, 6044)]