18263840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{709}}^1$

素因数の和:754

約数の個数: 96

約数和(自身を含む): 51528960

約数和(自身を除く): 33265120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 709, 736, 805, 920, 1120, 1288, 1418, 1610, 1840, 2576, 2836, 3220, 3545, 3680, 4963, 5152, 5672, 6440, 7090, 9926, 11344, 12880, 14180, 16307, 19852, 22688, 24815, 25760, 28360, 32614, 39704, 49630, 56720, 65228, 79408, 81535, 99260, 113440, 114149, 130456, 158816, 163070, 198520, 228298, 260912, 326140, 397040, 456596, 521824, 570745, 652280, 794080, 913192, 1141490, 1304560, 1826384, 2282980, 2609120, 3652768, 4565960, 9131920, 18263840]

約数ペア:

[(1, 18263840), (2, 9131920), (4, 4565960), (5, 3652768), (7, 2609120), (8, 2282980), (10, 1826384), (14, 1304560), (16, 1141490), (20, 913192), (23, 794080), (28, 652280), (32, 570745), (35, 521824), (40, 456596), (46, 397040), (56, 326140), (70, 260912), (80, 228298), (92, 198520), (112, 163070), (115, 158816), (140, 130456), (160, 114149), (161, 113440), (184, 99260), (224, 81535), (230, 79408), (280, 65228), (322, 56720), (368, 49630), (460, 39704), (560, 32614), (644, 28360), (709, 25760), (736, 24815), (805, 22688), (920, 19852), (1120, 16307), (1288, 14180), (1418, 12880), (1610, 11344), (1840, 9926), (2576, 7090), (2836, 6440), (3220, 5672), (3545, 5152), (3680, 4963)]