11981286

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:741

約数の個数: 48

約数和(自身を含む): 27883440

約数和(自身を除く): 15902154

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 53, 57, 106, 114, 159, 171, 318, 342, 477, 661, 954, 1007, 1322, 1983, 2014, 3021, 3966, 5949, 6042, 9063, 11898, 12559, 18126, 25118, 35033, 37677, 70066, 75354, 105099, 113031, 210198, 226062, 315297, 630594, 665627, 1331254, 1996881, 3993762, 5990643, 11981286]

約数ペア:

[(1, 11981286), (2, 5990643), (3, 3993762), (6, 1996881), (9, 1331254), (18, 665627), (19, 630594), (38, 315297), (53, 226062), (57, 210198), (106, 113031), (114, 105099), (159, 75354), (171, 70066), (318, 37677), (342, 35033), (477, 25118), (661, 18126), (954, 12559), (1007, 11898), (1322, 9063), (1983, 6042), (2014, 5949), (3021, 3966)]