19937904

素因数分解:

$2^4\times 3^1\times 7^4\times {\mathrm{173}}^1$

素因数の和:212

約数の個数: 100

約数和(自身を含む): 60434376

約数和(自身を除く): 40496472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 173, 196, 294, 336, 343, 346, 392, 519, 588, 686, 692, 784, 1029, 1038, 1176, 1211, 1372, 1384, 2058, 2076, 2352, 2401, 2422, 2744, 2768, 3633, 4116, 4152, 4802, 4844, 5488, 7203, 7266, 8232, 8304, 8477, 9604, 9688, 14406, 14532, 16464, 16954, 19208, 19376, 25431, 28812, 29064, 33908, 38416, 50862, 57624, 58128, 59339, 67816, 101724, 115248, 118678, 135632, 178017, 203448, 237356, 356034, 406896, 415373, 474712, 712068, 830746, 949424, 1246119, 1424136, 1661492, 2492238, 2848272, 3322984, 4984476, 6645968, 9968952, 19937904]

約数ペア:

[(1, 19937904), (2, 9968952), (3, 6645968), (4, 4984476), (6, 3322984), (7, 2848272), (8, 2492238), (12, 1661492), (14, 1424136), (16, 1246119), (21, 949424), (24, 830746), (28, 712068), (42, 474712), (48, 415373), (49, 406896), (56, 356034), (84, 237356), (98, 203448), (112, 178017), (147, 135632), (168, 118678), (173, 115248), (196, 101724), (294, 67816), (336, 59339), (343, 58128), (346, 57624), (392, 50862), (519, 38416), (588, 33908), (686, 29064), (692, 28812), (784, 25431), (1029, 19376), (1038, 19208), (1176, 16954), (1211, 16464), (1372, 14532), (1384, 14406), (2058, 9688), (2076, 9604), (2352, 8477), (2401, 8304), (2422, 8232), (2744, 7266), (2768, 7203), (3633, 5488), (4116, 4844), (4152, 4802)]