18348440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 48263040

約数和(自身を除く): 29914600

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, 223, 242, 340, 374, 440, 446, 484, 605, 680, 748, 892, 935, 968, 1115, 1210, 1496, 1784, 1870, 2057, 2230, 2420, 2453, 3740, 3791, 4114, 4460, 4840, 4906, 7480, 7582, 8228, 8920, 9812, 10285, 12265, 15164, 16456, 18955, 19624, 20570, 24530, 26983, 30328, 37910, 41140, 41701, 49060, 53966, 75820, 82280, 83402, 98120, 107932, 134915, 151640, 166804, 208505, 215864, 269830, 333608, 417010, 458711, 539660, 834020, 917422, 1079320, 1668040, 1834844, 2293555, 3669688, 4587110, 9174220, 18348440]

約数ペア:

[(1, 18348440), (2, 9174220), (4, 4587110), (5, 3669688), (8, 2293555), (10, 1834844), (11, 1668040), (17, 1079320), (20, 917422), (22, 834020), (34, 539660), (40, 458711), (44, 417010), (55, 333608), (68, 269830), (85, 215864), (88, 208505), (110, 166804), (121, 151640), (136, 134915), (170, 107932), (187, 98120), (220, 83402), (223, 82280), (242, 75820), (340, 53966), (374, 49060), (440, 41701), (446, 41140), (484, 37910), (605, 30328), (680, 26983), (748, 24530), (892, 20570), (935, 19624), (968, 18955), (1115, 16456), (1210, 15164), (1496, 12265), (1784, 10285), (1870, 9812), (2057, 8920), (2230, 8228), (2420, 7582), (2453, 7480), (3740, 4906), (3791, 4840), (4114, 4460)]