18379760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1427}}^1$

素因数の和:1470

約数の個数: 80

約数和(自身を含む): 50996736

約数和(自身を除く): 32616976

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, 1427, 1610, 1840, 2576, 2854, 3220, 5708, 6440, 7135, 9989, 11416, 12880, 14270, 19978, 22832, 28540, 32821, 39956, 49945, 57080, 65642, 79912, 99890, 114160, 131284, 159824, 164105, 199780, 229747, 262568, 328210, 399560, 459494, 525136, 656420, 799120, 918988, 1148735, 1312840, 1837976, 2297470, 2625680, 3675952, 4594940, 9189880, 18379760]

約数ペア:

[(1, 18379760), (2, 9189880), (4, 4594940), (5, 3675952), (7, 2625680), (8, 2297470), (10, 1837976), (14, 1312840), (16, 1148735), (20, 918988), (23, 799120), (28, 656420), (35, 525136), (40, 459494), (46, 399560), (56, 328210), (70, 262568), (80, 229747), (92, 199780), (112, 164105), (115, 159824), (140, 131284), (161, 114160), (184, 99890), (230, 79912), (280, 65642), (322, 57080), (368, 49945), (460, 39956), (560, 32821), (644, 28540), (805, 22832), (920, 19978), (1288, 14270), (1427, 12880), (1610, 11416), (1840, 9989), (2576, 7135), (2854, 6440), (3220, 5708)]