18938192

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13007}}^1$

素因数の和:13035

約数の個数: 40

約数和(自身を含む): 45163776

約数和(自身を除く): 26225584

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13007, 26014, 52028, 91049, 104056, 169091, 182098, 208112, 338182, 364196, 676364, 728392, 1183637, 1352728, 1456784, 2367274, 2705456, 4734548, 9469096, 18938192]

約数ペア:

[(1, 18938192), (2, 9469096), (4, 4734548), (7, 2705456), (8, 2367274), (13, 1456784), (14, 1352728), (16, 1183637), (26, 728392), (28, 676364), (52, 364196), (56, 338182), (91, 208112), (104, 182098), (112, 169091), (182, 104056), (208, 91049), (364, 52028), (728, 26014), (1456, 13007)]