19954872

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 66090960

約数和(自身を除く): 46136088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 34, 36, 42, 51, 56, 63, 68, 72, 84, 102, 119, 126, 136, 137, 153, 168, 204, 238, 252, 274, 289, 306, 357, 408, 411, 476, 504, 548, 578, 612, 714, 822, 867, 952, 959, 1071, 1096, 1156, 1224, 1233, 1428, 1644, 1734, 1918, 2023, 2142, 2312, 2329, 2466, 2601, 2856, 2877, 3288, 3468, 3836, 4046, 4284, 4658, 4932, 5202, 5754, 6069, 6936, 6987, 7672, 8092, 8568, 8631, 9316, 9864, 10404, 11508, 12138, 13974, 16184, 16303, 17262, 18207, 18632, 20808, 20961, 23016, 24276, 27948, 32606, 34524, 36414, 39593, 41922, 48552, 48909, 55896, 65212, 69048, 72828, 79186, 83844, 97818, 118779, 130424, 145656, 146727, 158372, 167688, 195636, 237558, 277151, 293454, 316744, 356337, 391272, 475116, 554302, 586908, 712674, 831453, 950232, 1108604, 1173816, 1425348, 1662906, 2217208, 2494359, 2850696, 3325812, 4988718, 6651624, 9977436, 19954872]

約数ペア:

[(1, 19954872), (2, 9977436), (3, 6651624), (4, 4988718), (6, 3325812), (7, 2850696), (8, 2494359), (9, 2217208), (12, 1662906), (14, 1425348), (17, 1173816), (18, 1108604), (21, 950232), (24, 831453), (28, 712674), (34, 586908), (36, 554302), (42, 475116), (51, 391272), (56, 356337), (63, 316744), (68, 293454), (72, 277151), (84, 237558), (102, 195636), (119, 167688), (126, 158372), (136, 146727), (137, 145656), (153, 130424), (168, 118779), (204, 97818), (238, 83844), (252, 79186), (274, 72828), (289, 69048), (306, 65212), (357, 55896), (408, 48909), (411, 48552), (476, 41922), (504, 39593), (548, 36414), (578, 34524), (612, 32606), (714, 27948), (822, 24276), (867, 23016), (952, 20961), (959, 20808), (1071, 18632), (1096, 18207), (1156, 17262), (1224, 16303), (1233, 16184), (1428, 13974), (1644, 12138), (1734, 11508), (1918, 10404), (2023, 9864), (2142, 9316), (2312, 8631), (2329, 8568), (2466, 8092), (2601, 7672), (2856, 6987), (2877, 6936), (3288, 6069), (3468, 5754), (3836, 5202), (4046, 4932), (4284, 4658)]