19877154

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 46379520

約数和(自身を除く): 26502366

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 121, 131, 209, 242, 262, 363, 393, 418, 627, 726, 786, 1254, 1331, 1441, 2299, 2489, 2662, 2882, 3993, 4323, 4598, 4978, 6897, 7467, 7986, 8646, 13794, 14934, 15851, 25289, 27379, 31702, 47553, 50578, 54758, 75867, 82137, 95106, 151734, 164274, 174361, 301169, 348722, 523083, 602338, 903507, 1046166, 1807014, 3312859, 6625718, 9938577, 19877154]

約数ペア:

[(1, 19877154), (2, 9938577), (3, 6625718), (6, 3312859), (11, 1807014), (19, 1046166), (22, 903507), (33, 602338), (38, 523083), (57, 348722), (66, 301169), (114, 174361), (121, 164274), (131, 151734), (209, 95106), (242, 82137), (262, 75867), (363, 54758), (393, 50578), (418, 47553), (627, 31702), (726, 27379), (786, 25289), (1254, 15851), (1331, 14934), (1441, 13794), (2299, 8646), (2489, 7986), (2662, 7467), (2882, 6897), (3993, 4978), (4323, 4598)]