18802168

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 44478720

約数和(自身を除く): 25676552

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 131, 154, 233, 262, 308, 466, 524, 616, 917, 932, 1048, 1441, 1631, 1834, 1864, 2563, 2882, 3262, 3668, 5126, 5764, 6524, 7336, 10087, 10252, 11528, 13048, 17941, 20174, 20504, 30523, 35882, 40348, 61046, 71764, 80696, 122092, 143528, 213661, 244184, 335753, 427322, 671506, 854644, 1343012, 1709288, 2350271, 2686024, 4700542, 9401084, 18802168]

約数ペア:

[(1, 18802168), (2, 9401084), (4, 4700542), (7, 2686024), (8, 2350271), (11, 1709288), (14, 1343012), (22, 854644), (28, 671506), (44, 427322), (56, 335753), (77, 244184), (88, 213661), (131, 143528), (154, 122092), (233, 80696), (262, 71764), (308, 61046), (466, 40348), (524, 35882), (616, 30523), (917, 20504), (932, 20174), (1048, 17941), (1441, 13048), (1631, 11528), (1834, 10252), (1864, 10087), (2563, 7336), (2882, 6524), (3262, 5764), (3668, 5126)]