18677560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:277

約数の個数: 96

約数和(自身を含む): 49124880

約数和(自身を除く): 30447320

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 121, 136, 170, 187, 220, 227, 242, 340, 374, 440, 454, 484, 605, 680, 748, 908, 935, 968, 1135, 1210, 1496, 1816, 1870, 2057, 2270, 2420, 2497, 3740, 3859, 4114, 4540, 4840, 4994, 7480, 7718, 8228, 9080, 9988, 10285, 12485, 15436, 16456, 19295, 19976, 20570, 24970, 27467, 30872, 38590, 41140, 42449, 49940, 54934, 77180, 82280, 84898, 99880, 109868, 137335, 154360, 169796, 212245, 219736, 274670, 339592, 424490, 466939, 549340, 848980, 933878, 1098680, 1697960, 1867756, 2334695, 3735512, 4669390, 9338780, 18677560]

約数ペア:

[(1, 18677560), (2, 9338780), (4, 4669390), (5, 3735512), (8, 2334695), (10, 1867756), (11, 1697960), (17, 1098680), (20, 933878), (22, 848980), (34, 549340), (40, 466939), (44, 424490), (55, 339592), (68, 274670), (85, 219736), (88, 212245), (110, 169796), (121, 154360), (136, 137335), (170, 109868), (187, 99880), (220, 84898), (227, 82280), (242, 77180), (340, 54934), (374, 49940), (440, 42449), (454, 41140), (484, 38590), (605, 30872), (680, 27467), (748, 24970), (908, 20570), (935, 19976), (968, 19295), (1135, 16456), (1210, 15436), (1496, 12485), (1816, 10285), (1870, 9988), (2057, 9080), (2270, 8228), (2420, 7718), (2497, 7480), (3740, 4994), (3859, 4840), (4114, 4540)]