19912256

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^2\times {\mathrm{263}}^1$

素因数の和:308

約数の個数: 84

約数和(自身を含む): 49084992

約数和(自身を除く): 29172736

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 169, 182, 208, 224, 263, 338, 364, 416, 448, 526, 676, 728, 832, 1052, 1183, 1352, 1456, 1841, 2104, 2366, 2704, 2912, 3419, 3682, 4208, 4732, 5408, 5824, 6838, 7364, 8416, 9464, 10816, 13676, 14728, 16832, 18928, 23933, 27352, 29456, 37856, 44447, 47866, 54704, 58912, 75712, 88894, 95732, 109408, 117824, 177788, 191464, 218816, 311129, 355576, 382928, 622258, 711152, 765856, 1244516, 1422304, 1531712, 2489032, 2844608, 4978064, 9956128, 19912256]

約数ペア:

[(1, 19912256), (2, 9956128), (4, 4978064), (7, 2844608), (8, 2489032), (13, 1531712), (14, 1422304), (16, 1244516), (26, 765856), (28, 711152), (32, 622258), (52, 382928), (56, 355576), (64, 311129), (91, 218816), (104, 191464), (112, 177788), (169, 117824), (182, 109408), (208, 95732), (224, 88894), (263, 75712), (338, 58912), (364, 54704), (416, 47866), (448, 44447), (526, 37856), (676, 29456), (728, 27352), (832, 23933), (1052, 18928), (1183, 16832), (1352, 14728), (1456, 13676), (1841, 10816), (2104, 9464), (2366, 8416), (2704, 7364), (2912, 6838), (3419, 5824), (3682, 5408), (4208, 4732)]