18212792

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{709}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 38979000

約数和(自身を除く): 20766208

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 169, 247, 338, 494, 676, 709, 988, 1352, 1418, 1976, 2836, 3211, 5672, 6422, 9217, 12844, 13471, 18434, 25688, 26942, 36868, 53884, 73736, 107768, 119821, 175123, 239642, 350246, 479284, 700492, 958568, 1400984, 2276599, 4553198, 9106396, 18212792]

約数ペア:

[(1, 18212792), (2, 9106396), (4, 4553198), (8, 2276599), (13, 1400984), (19, 958568), (26, 700492), (38, 479284), (52, 350246), (76, 239642), (104, 175123), (152, 119821), (169, 107768), (247, 73736), (338, 53884), (494, 36868), (676, 26942), (709, 25688), (988, 18434), (1352, 13471), (1418, 12844), (1976, 9217), (2836, 6422), (3211, 5672)]