1821872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:501

約数の個数: 40

約数和(自身を含む): 4010160

約数和(自身を除く): 2188288

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 461, 494, 922, 988, 1844, 1976, 3688, 3952, 5993, 7376, 8759, 11986, 17518, 23972, 35036, 47944, 70072, 95888, 113867, 140144, 227734, 455468, 910936, 1821872]

約数ペア:

[(1, 1821872), (2, 910936), (4, 455468), (8, 227734), (13, 140144), (16, 113867), (19, 95888), (26, 70072), (38, 47944), (52, 35036), (76, 23972), (104, 17518), (152, 11986), (208, 8759), (247, 7376), (304, 5993), (461, 3952), (494, 3688), (922, 1976), (988, 1844)]