18696447

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2$

素因数の和:90

約数の個数: 96

約数和(自身を含む): 38223360

約数和(自身を除く): 19526913

約数列:

[1, 3, 7, 9, 11, 17, 21, 23, 27, 33, 51, 63, 69, 77, 99, 119, 153, 161, 187, 189, 207, 231, 253, 297, 357, 391, 459, 483, 529, 561, 621, 693, 759, 1071, 1173, 1309, 1449, 1587, 1683, 1771, 2079, 2277, 2737, 3213, 3519, 3703, 3927, 4301, 4347, 4761, 5049, 5313, 5819, 6831, 8211, 8993, 10557, 11109, 11781, 12903, 14283, 15939, 17457, 24633, 26979, 30107, 33327, 35343, 38709, 40733, 47817, 52371, 62951, 73899, 80937, 90321, 98923, 99981, 116127, 122199, 157113, 188853, 242811, 270963, 296769, 366597, 566559, 692461, 812889, 890307, 1099791, 1699677, 2077383, 2670921, 6232149, 18696447]

約数ペア:

[(1, 18696447), (3, 6232149), (7, 2670921), (9, 2077383), (11, 1699677), (17, 1099791), (21, 890307), (23, 812889), (27, 692461), (33, 566559), (51, 366597), (63, 296769), (69, 270963), (77, 242811), (99, 188853), (119, 157113), (153, 122199), (161, 116127), (187, 99981), (189, 98923), (207, 90321), (231, 80937), (253, 73899), (297, 62951), (357, 52371), (391, 47817), (459, 40733), (483, 38709), (529, 35343), (561, 33327), (621, 30107), (693, 26979), (759, 24633), (1071, 17457), (1173, 15939), (1309, 14283), (1449, 12903), (1587, 11781), (1683, 11109), (1771, 10557), (2079, 8993), (2277, 8211), (2737, 6831), (3213, 5819), (3519, 5313), (3703, 5049), (3927, 4761), (4301, 4347)]