19901056

素因数分解:

$2^7\times 7^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 48837600

約数和(自身を除く): 28936544

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 112, 128, 133, 152, 167, 196, 224, 266, 304, 334, 392, 448, 532, 608, 668, 784, 896, 931, 1064, 1169, 1216, 1336, 1568, 1862, 2128, 2338, 2432, 2672, 3136, 3173, 3724, 4256, 4676, 5344, 6272, 6346, 7448, 8183, 8512, 9352, 10688, 12692, 14896, 16366, 17024, 18704, 21376, 22211, 25384, 29792, 32732, 37408, 44422, 50768, 59584, 65464, 74816, 88844, 101536, 119168, 130928, 149632, 155477, 177688, 203072, 261856, 310954, 355376, 406144, 523712, 621908, 710752, 1047424, 1243816, 1421504, 2487632, 2843008, 4975264, 9950528, 19901056]

約数ペア:

[(1, 19901056), (2, 9950528), (4, 4975264), (7, 2843008), (8, 2487632), (14, 1421504), (16, 1243816), (19, 1047424), (28, 710752), (32, 621908), (38, 523712), (49, 406144), (56, 355376), (64, 310954), (76, 261856), (98, 203072), (112, 177688), (128, 155477), (133, 149632), (152, 130928), (167, 119168), (196, 101536), (224, 88844), (266, 74816), (304, 65464), (334, 59584), (392, 50768), (448, 44422), (532, 37408), (608, 32732), (668, 29792), (784, 25384), (896, 22211), (931, 21376), (1064, 18704), (1169, 17024), (1216, 16366), (1336, 14896), (1568, 12692), (1862, 10688), (2128, 9352), (2338, 8512), (2432, 8183), (2672, 7448), (3136, 6346), (3173, 6272), (3724, 5344), (4256, 4676)]