18819724

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 96

約数和(自身を含む): 44352000

約数和(自身を除く): 25532276

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 43, 44, 49, 58, 77, 86, 98, 116, 154, 172, 196, 203, 301, 308, 319, 343, 406, 473, 539, 602, 638, 686, 812, 946, 1078, 1204, 1247, 1276, 1372, 1421, 1892, 2107, 2156, 2233, 2494, 2842, 3311, 3773, 4214, 4466, 4988, 5684, 6622, 7546, 8428, 8729, 8932, 9947, 13244, 13717, 14749, 15092, 15631, 17458, 19894, 23177, 27434, 29498, 31262, 34916, 39788, 46354, 54868, 58996, 61103, 62524, 92708, 96019, 109417, 122206, 162239, 192038, 218834, 244412, 324478, 384076, 427721, 437668, 648956, 672133, 855442, 1344266, 1710884, 2688532, 4704931, 9409862, 18819724]

約数ペア:

[(1, 18819724), (2, 9409862), (4, 4704931), (7, 2688532), (11, 1710884), (14, 1344266), (22, 855442), (28, 672133), (29, 648956), (43, 437668), (44, 427721), (49, 384076), (58, 324478), (77, 244412), (86, 218834), (98, 192038), (116, 162239), (154, 122206), (172, 109417), (196, 96019), (203, 92708), (301, 62524), (308, 61103), (319, 58996), (343, 54868), (406, 46354), (473, 39788), (539, 34916), (602, 31262), (638, 29498), (686, 27434), (812, 23177), (946, 19894), (1078, 17458), (1204, 15631), (1247, 15092), (1276, 14749), (1372, 13717), (1421, 13244), (1892, 9947), (2107, 8932), (2156, 8729), (2233, 8428), (2494, 7546), (2842, 6622), (3311, 5684), (3773, 4988), (4214, 4466)]