18424718

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{151}}^1$

素因数の和:217

約数の個数: 36

約数和(自身を含む): 31793688

約数和(自身を除く): 13368970

約数列:

[1, 2, 13, 19, 26, 38, 151, 169, 247, 302, 338, 361, 494, 722, 1963, 2869, 3211, 3926, 4693, 5738, 6422, 9386, 25519, 37297, 51038, 54511, 61009, 74594, 109022, 122018, 484861, 708643, 969722, 1417286, 9212359, 18424718]

約数ペア:

[(1, 18424718), (2, 9212359), (13, 1417286), (19, 969722), (26, 708643), (38, 484861), (151, 122018), (169, 109022), (247, 74594), (302, 61009), (338, 54511), (361, 51038), (494, 37297), (722, 25519), (1963, 9386), (2869, 6422), (3211, 5738), (3926, 4693)]