19345788

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{997}}^1$

素因数の和:1032

約数の個数: 108

約数和(自身を含む): 62119512

約数和(自身を除く): 42773724

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 49, 63, 66, 77, 84, 98, 99, 126, 132, 147, 154, 196, 198, 231, 252, 294, 308, 396, 441, 462, 539, 588, 693, 882, 924, 997, 1078, 1386, 1617, 1764, 1994, 2156, 2772, 2991, 3234, 3988, 4851, 5982, 6468, 6979, 8973, 9702, 10967, 11964, 13958, 17946, 19404, 20937, 21934, 27916, 32901, 35892, 41874, 43868, 48853, 62811, 65802, 76769, 83748, 97706, 98703, 125622, 131604, 146559, 153538, 195412, 197406, 230307, 251244, 293118, 307076, 394812, 439677, 460614, 537383, 586236, 690921, 879354, 921228, 1074766, 1381842, 1612149, 1758708, 2149532, 2763684, 3224298, 4836447, 6448596, 9672894, 19345788]

約数ペア:

[(1, 19345788), (2, 9672894), (3, 6448596), (4, 4836447), (6, 3224298), (7, 2763684), (9, 2149532), (11, 1758708), (12, 1612149), (14, 1381842), (18, 1074766), (21, 921228), (22, 879354), (28, 690921), (33, 586236), (36, 537383), (42, 460614), (44, 439677), (49, 394812), (63, 307076), (66, 293118), (77, 251244), (84, 230307), (98, 197406), (99, 195412), (126, 153538), (132, 146559), (147, 131604), (154, 125622), (196, 98703), (198, 97706), (231, 83748), (252, 76769), (294, 65802), (308, 62811), (396, 48853), (441, 43868), (462, 41874), (539, 35892), (588, 32901), (693, 27916), (882, 21934), (924, 20937), (997, 19404), (1078, 17946), (1386, 13958), (1617, 11964), (1764, 10967), (1994, 9702), (2156, 8973), (2772, 6979), (2991, 6468), (3234, 5982), (3988, 4851)]